DAF Research, Release 1 Ballot

This page is part of the Data Access Framework (v1.8.0: STU 2 Ballot 2) based on FHIR v1.8.0. . For a full list of available versions, see the Directory of published versions

Profile daf-operationdefinition


<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="daf-operationdefinition"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p><b>Generated Narrative with Details</b></p><p><b>url</b>: <a href="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-operationdefinition">http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-operationdefinition</a></p><p><b>name</b>: Profile daf-operationdefinition</p><p><b>status</b>: DRAFT</p><p><b>date</b>: 12/08/2016</p><p><b>publisher</b>: Health Level Seven International (FHIR Infrastructure WG - Data Access Framework)</p><p><b>contact</b>: </p><p><b>url</b>: <a href="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-operationdefinition">http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-operationdefinition</a></p><p><b>name</b>: Profile daf-operationdefinition</p><p><b>status</b>: DRAFT</p><p><b>publisher</b>: Health Level Seven International (FHIR Infrastructure WG - Data Access Framework)</p><p><b>contact</b>: </p><p><b>date</b>: 12/08/2016</p><blockquote><p><b>mapping</b></p><p><b>identity</b>: rim</p><p><b>uri</b>: <a href="http://hl7.org/v3">http://hl7.org/v3</a></p><p><b>name</b>: RIM Mapping</p></blockquote><blockquote><p><b>mapping</b></p><p><b>identity</b>: w5</p><p><b>uri</b>: <a href="http://hl7.org/fhir/w5">http://hl7.org/fhir/w5</a></p><p><b>name</b>: W5 Mapping</p></blockquote><blockquote><p><b>mapping</b></p><p><b>identity</b>: objimpl</p><p><b>uri</b>: <a href="http://hl7.org/fhir/object-implementation">http://hl7.org/fhir/object-implementation</a></p><p><b>name</b>: Object Implementation Information</p></blockquote><p><b>kind</b>: RESOURCE</p><p><b>abstract</b>: false</p><p><b>type</b>: OperationDefinition</p><p><b>baseDefinition</b>: <a href="http://hl7.org/fhir/StructureDefinition/OperationDefinition">http://hl7.org/fhir/StructureDefinition/OperationDefinition</a></p><p><b>derivation</b>: CONSTRAINT</p><h3>Snapshots</h3><table class="grid"><tr><td>-</td><td><b>Element</b></td></tr><tr><td>*</td><td>todo-bundle</td></tr></table><h3>Differentials</h3><table class="grid"><tr><td>-</td><td><b>Element</b></td></tr><tr><td>*</td><td>todo-bundle</td></tr></table></div>
  </text>
  <url
       value="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-operationdefinition"/>
  <name value="Profile daf-operationdefinition"/>
  <status value="draft"/>
  <publisher
             value="Health Level Seven International (FHIR Infrastructure WG - Data Access Framework)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.healthit.gov"/>
    </telecom>
  </contact>
  <date value="2016-08-12"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <mapping>
    <identity value="w5"/>
    <uri value="http://hl7.org/fhir/w5"/>
    <name value="W5 Mapping"/>
  </mapping>
  <mapping>
    <identity value="objimpl"/>
    <uri value="http://hl7.org/fhir/object-implementation"/>
    <name value="Object Implementation Information"/>
  </mapping>
  <kind value="resource"/>
  <abstract value="false"/>
  <type value="OperationDefinition"/>
  <baseDefinition
                  value="http://hl7.org/fhir/StructureDefinition/OperationDefinition"/>
  <derivation value="constraint"/>
  <snapshot>
    <element id="OperationDefinition:dafoperationdefinition">
      <path value="OperationDefinition"/>
      <sliceName value="DAFOperationDefinition"/>
      <short value="Definition of an operation or a named query"/>
      <definition
                  value="A formal computable definition of an operation (on the RESTful interface) or a named query (using the search interaction)."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <constraint>
        <key value="dom-2"/>
        <severity value="error"/>
        <human
               value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/>
        <expression value="contained.contained.empty()"/>
        <xpath value="not(parent::f:contained and f:contained)"/>
        <source value="DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-1"/>
        <severity value="error"/>
        <human
               value="If the resource is contained in another resource, it SHALL NOT contain any narrative"/>
        <expression value="contained.text.empty()"/>
        <xpath value="not(parent::f:contained and f:text)"/>
        <source value="DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-4"/>
        <severity value="error"/>
        <human
               value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/>
        <expression
                    value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/>
        <xpath
               value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/>
        <source value="DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-3"/>
        <severity value="error"/>
        <human
               value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource"/>
        <expression
                    value="contained.where((&#39;#&#39;+id in %resource.descendants().reference).not()).empty()"/>
        <xpath
               value="not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat(&#39;#&#39;, $id))]))"/>
        <source value="DomainResource"/>
      </constraint>
      <mustSupport value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="Entity. Role, or Act"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="conformance.behavior"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.id">
      <path value="OperationDefinition.id"/>
      <short value="Logical id of this artifact"/>
      <definition
                  value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/>
      <comments
                value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.meta">
      <path value="OperationDefinition.meta"/>
      <short value="Metadata about the resource"/>
      <definition
                  value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.meta"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Meta"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.implicitRules">
      <path value="OperationDefinition.implicitRules"/>
      <short value="A set of rules under which this content was created"/>
      <definition
                  value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content."/>
      <comments
                value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element as much as possible."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.implicitRules"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.language">
      <path value="OperationDefinition.language"/>
      <short value="Language of the resource content"/>
      <definition value="The base language in which the resource is written."/>
      <comments
                value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource  Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.language"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference>
            <reference value="http://hl7.org/fhir/ValueSet/all-languages"/>
          </valueReference>
        </extension>
        <strength value="extensible"/>
        <description value="A human language."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/languages"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.text">
      <path value="OperationDefinition.text"/>
      <short value="Text summary of the resource, for human interpretation"/>
      <definition
                  value="A human-readable narrative that contains a summary of the resource, and may be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/>
      <comments
                value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded in formation is added later."/>
      <alias value="narrative"/>
      <alias value="html"/>
      <alias value="xhtml"/>
      <alias value="display"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Narrative"/>
      </type>
      <condition value="dom-1"/>
      <mapping>
        <identity value="rim"/>
        <map value="Act.text?"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.contained">
      <path value="OperationDefinition.contained"/>
      <short value="Contained, inline Resources"/>
      <definition
                  value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope."/>
      <comments
                value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again."/>
      <alias value="inline resources"/>
      <alias value="anonymous resources"/>
      <alias value="contained resources"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.contained"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Resource"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.extension">
      <path value="OperationDefinition.extension"/>
      <slicing id="1">
        <discriminator value="url"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.extension:data-models">
      <path value="OperationDefinition.extension"/>
      <sliceName value="data-models"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile
                 value="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-data-models"/>
      </type>
      <condition value="ele-1"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression value="children().count() &gt; id.count()"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])"/>
        <source value="Extension"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.extension:query-formats">
      <path value="OperationDefinition.extension"/>
      <sliceName value="query-formats"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile
                 value="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-query-formats"/>
      </type>
      <condition value="ele-1"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression value="children().count() &gt; id.count()"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])"/>
        <source value="Extension"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.modifierExtension">
      <path value="OperationDefinition.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the resource, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.url">
      <path value="OperationDefinition.url"/>
      <short
             value="Logical uri to reference this operation definition (globally unique)"/>
      <definition
                  value="An absolute URL that is used to identify this operation definition when it is referenced in a specification, model, design or an instance. This SHALL be a URL, SHOULD be globally unique, and SHOULD be an address at which this operation definition is (or will be) published. The URL SHOULD include the major version of the operation definition. For more information see [Technical and Business Versions](resource.html#versions)."/>
      <comments
                value="Can be a urn:uuid: or a urn:oid:, but real http: addresses are preferred."/>
      <requirements
                    value="Allows the operation definition to be referenced by a single globally unique identifier."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.url"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="w5"/>
        <map value="id"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.version">
      <path value="OperationDefinition.version"/>
      <short value="Business version of the operation definition"/>
      <definition
                  value="The identifier that is used to identify this version of the operation definition when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the operation definition author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions are orderable."/>
      <comments
                value="There may be multiple different instances of a operation definition that have the same identifier but different versions."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="id.version"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.name">
      <path value="OperationDefinition.name"/>
      <short value="Name for this operation definition (Computer friendly)"/>
      <definition
                  value="A natural language name identifying the operation definition. This name should be usable as an identifier for the module by machine processing applications such as code generation."/>
      <comments
                value="The name is not expected to be globally unique. The name should be a simple alpha-numeric type name to ensure it is computable friendly."/>
      <requirements value="Support human navigation &amp; code generation."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.name"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.status">
      <path value="OperationDefinition.status"/>
      <short value="draft | active | retired"/>
      <definition
                  value="The status of this operation definition. Enables tracking the life-cycle of the content."/>
      <comments
                value="Allows filtering of operation definition that are appropriate for use vs. not."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.status"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isModifier value="true"/>
      <isSummary value="false"/>
      <binding>
        <strength value="required"/>
        <description value="The lifecycle status of a Value Set or Concept Map."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/publication-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="w5"/>
        <map value="status"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.kind">
      <path value="OperationDefinition.kind"/>
      <short value="operation | query"/>
      <definition value="Whether this is an operation or a named query."/>
      <comments
                value="Named queries are invoked differently, and have different capabilities."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.kind"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
      <binding>
        <strength value="required"/>
        <description
                     value="Whether an operation is a normal operation or a query."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/operation-kind"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="w5"/>
        <map value="class"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.experimental">
      <path value="OperationDefinition.experimental"/>
      <short value="If for testing purposes, not real usage"/>
      <definition
                  value="A flag to indicate that this operation definition is authored for testing purposes (or education/evaluation/marketing), and is not intended to be used for genuine usage."/>
      <comments
                value="Allows filtering of operation definition that are appropriate for use vs. not."/>
      <requirements
                    value="Enables experimental content to be developed following the same life-cycle as a production-level operation definition would."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.experimental"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="class"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.date">
      <path value="OperationDefinition.date"/>
      <short value="Date this was last changed"/>
      <definition
                  value="The date  (and optionally time) when the operation definition was published. The date must change when the business version changes, if it does, and it must change if the status code changes. In addition, it should change when the substantive content of the operation definition changes."/>
      <comments
                value="Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the operation definition. Additional specific dates may be added as extensions."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.date"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="when.recorded"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.publisher">
      <path value="OperationDefinition.publisher"/>
      <short value="Name of the publisher (Organization or individual)"/>
      <definition
                  value="The name of the individual or organization that published the operation definition."/>
      <comments
                value="Usually an organization, but may be an individual. The publisher (or steward) of the operation definition is the organization or individual primarily responsible for the maintenance and upkeep of the operation definition. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the operation definition. This item SHOULD be populated unless the information is available from context."/>
      <requirements
                    value="Helps establish the &quot;authority/credibility&quot; of the operation definition.  May also allow for contact."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.publisher"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="who.witness"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.contact">
      <path value="OperationDefinition.contact"/>
      <short value="Contact details for the publisher"/>
      <definition
                  value="Contact details to assist a user in finding and communicating with the publisher."/>
      <comments
                value="May be a web site, an email address, a telephone number, etc."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.contact"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="ContactDetail"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.description">
      <path value="OperationDefinition.description"/>
      <short value="Natural language description of the operation definition"/>
      <definition
                  value="A free text natural language description of the operation definition from the consumer&#39;s perspective."/>
      <comments
                value="This description can be used to capture details such as why the operation definition was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the module as conveyed in the text field of the resource itself. This item SHOULD be populated unless the information is available from context."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.description"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="markdown"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.useContext">
      <path value="OperationDefinition.useContext"/>
      <short value="Content intends to support these contexts"/>
      <definition
                  value="The content was developed with a focus and intent of supporting the contexts that are listed. These terms may be used to assist with indexing and searching of code system definitions."/>
      <comments
                value="When multiple usageContexts are specified, there is no expectation for whether all or any of the contexts apply."/>
      <requirements value="Assist in searching for appropriate content."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.useContext"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="UsageContext"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.jurisdiction">
      <path value="OperationDefinition.jurisdiction"/>
      <short
             value="Intended jurisdiction for operation definition (if applicable)"/>
      <definition
                  value="A jurisdiction in which the operation definition is intended to be used."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.jurisdiction"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="extensible"/>
        <description
                     value="Countries and regions within which this artifact is targeted for use"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/jurisdiction"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.purpose">
      <path value="OperationDefinition.purpose"/>
      <short value="Why this operation definition is defined"/>
      <definition
                  value="Explains why this operation definition is needed and why it has been designed as it has."/>
      <comments
                value="This element does not describe the usage of the operation definition (See, e.g, the comments element, or relatedArtifacts), rather it&#39;s for traceability of &#39;&#39;why&#39;&#39; the resource is either needed or &#39;&#39;why&#39;&#39; it is defined as it is.  This may be used to point to source materials or specifications that drove the structure of this operation definition."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.purpose"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="markdown"/>
      </type>
      <mapping>
        <identity value="objimpl"/>
        <map value="no-gen-base"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="why"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.idempotent">
      <path value="OperationDefinition.idempotent"/>
      <short value="Whether content is unchanged by the operation"/>
      <definition
                  value="Operations that are idempotent (see [HTTP specification definition of idempotent](http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html)) may be invoked by performing an HTTP GET operation instead of a POST."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.idempotent"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.code">
      <path value="OperationDefinition.code"/>
      <short value="Name used to invoke the operation"/>
      <definition value="The name used to invoke the operation."/>
      <comments
                value="The code does not include the &#39;$&#39; prefix that is always included in the URL when the operation is invoked."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.code"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.comment">
      <path value="OperationDefinition.comment"/>
      <short value="Additional information about use"/>
      <definition
                  value="Additional information about how to use this operation or named query."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.comment"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.base">
      <path value="OperationDefinition.base"/>
      <short value="Marks this as a profile of the base"/>
      <definition
                  value="Indicates that this operation definition is a constraining profile on the base."/>
      <comments
                value="A constrained profile can make optional parameters required or not used and clarify documentation."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.base"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/OperationDefinition"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.resource">
      <path value="OperationDefinition.resource"/>
      <short value="Types this operation applies to"/>
      <definition value="The types on which this operation can be executed."/>
      <comments
                value="If the type is an abstract resource (&quot;Resource&quot; or &quot;DomainResource&quot;) then the operation can be invoked on any concrete specialization."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.resource"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="One of the resource types defined as part of FHIR."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/resource-types"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.system">
      <path value="OperationDefinition.system"/>
      <short value="Invoke at the system level?"/>
      <definition
                  value="Indicates whether this operation or named query can be invoked at the system level (e.g. without needing to choose a resource type for the context)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.system"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.type">
      <path value="OperationDefinition.type"/>
      <short value="Invole at the type level?"/>
      <definition
                  value="Indicates whether this operation or named query can be invoked at the resource type level for any given resource type level (e.g. without needing to choose a specific resource id for the context)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.type"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.instance">
      <path value="OperationDefinition.instance"/>
      <short value="Invoke on an instance?"/>
      <definition
                  value="Indicates whether this operation can be invoked on a particular instance of one of the given types."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.instance"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter">
      <path value="OperationDefinition.parameter"/>
      <short value="Parameters for the operation/query"/>
      <definition value="The parameters for the operation/query."/>
      <comments
                value="Query Definitions only have one output parameter, named &quot;result&quot;. This may not be described, but can be to allow a profile to be defined."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.parameter"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression value="children().count() &gt; id.count()"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="Element"/>
      </constraint>
      <constraint>
        <key value="opd-1"/>
        <severity value="error"/>
        <human value="Either a type must be provided, or parts"/>
        <expression value="type.exists() or part.exists()"/>
        <xpath value="exists(f:type) or exists(f:part)"/>
        <source value="OperationDefinition.parameter"/>
      </constraint>
      <constraint>
        <key value="opd-2"/>
        <severity value="error"/>
        <human
               value="A search type can only be specified for parameters of type string"/>
        <expression value="searchType implies type = &#39;string&#39;"/>
        <xpath
               value="not(exists(f:searchType)) or (f:type/@value = &#39;string&#39;)"/>
        <source value="OperationDefinition.parameter"/>
      </constraint>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.id">
      <path value="OperationDefinition.parameter.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition
                  value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.extension">
      <path value="OperationDefinition.parameter.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.modifierExtension">
      <path value="OperationDefinition.parameter.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.name">
      <path value="OperationDefinition.parameter.name"/>
      <short value="Name in Parameters.parameter.name or in URL"/>
      <definition value="The name of used to identify the parameter."/>
      <comments
                value="This name must be a token (start with a letter in a..z, and only contain letters, numerals, and underscore. Note that for search parameters (type = string, with a search type), the name may be altered by the search modifiers."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.name"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.use">
      <path value="OperationDefinition.parameter.use"/>
      <short value="in | out"/>
      <definition value="Whether this is an input or an output parameter."/>
      <comments
                value="If a parameter name is used for both an input and an output parameter, the parameter should be defined twice."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.use"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
      <binding>
        <strength value="required"/>
        <description
                     value="Whether an operation parameter is an input or an output parameter."/>
        <valueSetReference>
          <reference
                     value="http://hl7.org/fhir/ValueSet/operation-parameter-use"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.min">
      <path value="OperationDefinition.parameter.min"/>
      <short value="Minimum Cardinality"/>
      <definition
                  value="The minimum number of times this parameter SHALL appear in the request or response."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.min"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.max">
      <path value="OperationDefinition.parameter.max"/>
      <short value="Maximum Cardinality (a number or *)"/>
      <definition
                  value="The maximum number of times this element is permitted to appear in the request or response."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.max"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.documentation">
      <path value="OperationDefinition.parameter.documentation"/>
      <short value="Description of meaning/use"/>
      <definition value="Describes the meaning or use of this parameter."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.documentation"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.type">
      <path value="OperationDefinition.parameter.type"/>
      <short value="What type this parameter has"/>
      <definition value="The type for this parameter."/>
      <comments
                value="if there is no stated parameter, then the parameter is a multi-part parameter; type and must have at least one part defined."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.type"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <condition value="opd-1"/>
      <mustSupport value="true"/>
      <isSummary value="false"/>
      <binding>
        <strength value="required"/>
        <description value="Either an abstract type, a resource or a data type."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/all-types"/>
        </valueSetReference>
      </binding>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.searchType">
      <path value="OperationDefinition.parameter.searchType"/>
      <short
             value="number | date | string | token | reference | composite | quantity | uri"/>
      <definition
                  value="How the parameter is understood as a search parameter. This is only used if the parameter type is &#39;string&#39;."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.searchType"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <condition value="opd-2"/>
      <binding>
        <strength value="required"/>
        <description
                     value="Data types allowed to be used for search parameters."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/search-param-type"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.profile">
      <path value="OperationDefinition.parameter.profile"/>
      <short value="Profile on the type"/>
      <definition
                  value="A profile the specifies the rules that this parameter must conform to."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.profile"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>
      </type>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.binding">
      <path value="OperationDefinition.parameter.binding"/>
      <short value="ValueSet details if this is coded"/>
      <definition
                  value="Binds to a value set if this parameter is coded (code, Coding, CodeableConcept)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.binding"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression value="children().count() &gt; id.count()"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="Element"/>
      </constraint>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.binding.id">
      <path value="OperationDefinition.parameter.binding.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition
                  value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.binding.extension">
      <path value="OperationDefinition.parameter.binding.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.binding.modifierExtension">
      <path value="OperationDefinition.parameter.binding.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.binding.strength">
      <path value="OperationDefinition.parameter.binding.strength"/>
      <short value="required | extensible | preferred | example"/>
      <definition
                  value="Indicates the degree of conformance expectations associated with this binding - that is, the degree to which the provided value set must be adhered to in the instances."/>
      <comments
                value="For further discussion, see [Using Terminologies](terminologies.html)."/>
      <alias value="conformance"/>
      <alias value="extensibility"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.binding.strength"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <strength value="required"/>
        <description
                     value="Indication of the degree of conformance expectations associated with a binding."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/binding-strength"/>
        </valueSetReference>
      </binding>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.binding.valueSet[x]">
      <path value="OperationDefinition.parameter.binding.valueSet[x]"/>
      <short value="Source of value set"/>
      <definition
                  value="Points to the value set or external definition (e.g. implicit value set) that identifies the set of codes to be used."/>
      <comments
                value="For value sets with a referenceResource, the display can contain the value set description.  The reference may be version-specific or not."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.parameter.binding.valueSet[x]"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="Reference"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>
      </type>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.part">
      <path value="OperationDefinition.parameter.part"/>
      <short value="Parts of a nested Parameter"/>
      <definition value="The parts of a nested Parameter."/>
      <comments
                value="Query Definitions only have one output parameter, named &quot;result&quot;. This may not be described, but can be to allow a profile to be defined."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.parameter.part"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <contentReference
                        value="#OperationDefinition:dafoperationdefinition.parameter"/>
      <condition value="opd-1"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.overload">
      <path value="OperationDefinition.overload"/>
      <short value="For generating overloaded methods in code"/>
      <definition
                  value="Defines an appropriate combination of parameters to use when invoking this operation."/>
      <comments
                value="This element is intended for generating overloaded methods in code, and the combinations are not authoritative."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.overload"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression value="children().count() &gt; id.count()"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="Element"/>
      </constraint>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.overload.id">
      <path value="OperationDefinition.overload.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition
                  value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.overload.extension">
      <path value="OperationDefinition.overload.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.overload.modifierExtension">
      <path value="OperationDefinition.overload.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions."/>
      <comments
                value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.overload.parameterName">
      <path value="OperationDefinition.overload.parameterName"/>
      <short value="Name of parameter to include in overload"/>
      <definition value="Name of parameter to include in overload."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="OperationDefinition.overload.parameterName"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
      </type>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.overload.comment">
      <path value="OperationDefinition.overload.comment"/>
      <short value="Comments to go on overload"/>
      <definition value="Comments to go on overload."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OperationDefinition.overload.comment"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="OperationDefinition:dafoperationdefinition">
      <path value="OperationDefinition"/>
      <sliceName value="DAFOperationDefinition"/>
      <mustSupport value="false"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.extension:data-models">
      <path value="OperationDefinition.extension"/>
      <sliceName value="data-models"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile
                 value="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-data-models"/>
      </type>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.extension:query-formats">
      <path value="OperationDefinition.extension"/>
      <sliceName value="query-formats"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile
                 value="http://hl7.org/fhir/us/daf-research/StructureDefinition/daf-query-formats"/>
      </type>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.url">
      <path value="OperationDefinition.url"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.name">
      <path value="OperationDefinition.name"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.status">
      <path value="OperationDefinition.status"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.kind">
      <path value="OperationDefinition.kind"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.description">
      <path value="OperationDefinition.description"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.code">
      <path value="OperationDefinition.code"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.comment">
      <path value="OperationDefinition.comment"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.base">
      <path value="OperationDefinition.base"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.system">
      <path value="OperationDefinition.system"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.instance">
      <path value="OperationDefinition.instance"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter">
      <path value="OperationDefinition.parameter"/>
      <min value="0"/>
      <max value="*"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.name">
      <path value="OperationDefinition.parameter.name"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.use">
      <path value="OperationDefinition.parameter.use"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.min">
      <path value="OperationDefinition.parameter.min"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.max">
      <path value="OperationDefinition.parameter.max"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element
             id="OperationDefinition:dafoperationdefinition.parameter.documentation">
      <path value="OperationDefinition.parameter.documentation"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="OperationDefinition:dafoperationdefinition.parameter.type">
      <path value="OperationDefinition.parameter.type"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
  </differential>
</StructureDefinition>