This page is part of the SMART Health Cards and Links FHIR IG (v1.0.0: STU1) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions
Page standards status: Trial-use | Maturity Level: 4 |
XML representation of the ShlPayload logical model.
<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="ShlPayload"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition ShlPayload</b></p><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description & Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload" title="The SMART Health Link Payload object">ShlPayload</a><a name="ShlPayload"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/types.html#Base">Base</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">SMART Health Link Payload</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload.url" title="Manifest URL for the SMART Health Link.">url</a><a name="ShlPayload.url"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#url">url</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Manifest URL for the SMART Health Link.<br/><span style="font-weight:bold">Example URL": </span><span style="color: darkgreen">https://ehr.example.org/qr/Y9xwkUdtmN9wwoJoN3ffJIhX2UGvCL1JnlPVNL3kDWM/m</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload.key" title="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded.">key</a><a name="ShlPayload.key"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Decryption key<br/><span style="font-weight:bold">Example key: </span><span style="color: darkgreen">rxTgYlOaKJPFtcEd0qcceN8wEU4p94SqAwIWQe6uX7Q</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload.exp" title="Number representing expiration time in Epoch seconds, as a hint to help the SMART Health Links Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)">exp</a><a name="ShlPayload.exp"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#decimal">decimal</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Expiration time<br/><span style="font-weight:bold">Example representing January 1, 2026 12:00:00 AM: </span><span style="color: darkgreen">1767225600000</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload.flag" title="String created by concatenating single-character flags in alphabetical order. L: long-term use. P: requires a Passcode to resolve. U: url resolves to a single encrypted file (not to be used in combination with P).">flag</a><a name="ShlPayload.flag"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Flag indicating link characteristics.<br/><span style="font-weight:bold">Example representing 'Long-term use and requires passcode': </span><span style="color: darkgreen">LP</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload.label" title="String no longer than 80 characters that provides a short description of the data behind the SMART Health Link.">label</a><a name="ShlPayload.label"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">short description of the data behind the SMART Health Link.<br/><span style="font-weight:bold">Example label: </span><span style="color: darkgreen">Back-to-school immunizations for Oliver Brown</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ShlPayload-definitions.html#ShlPayload.v" title="SMART Health Links protocol version.">v</a><a name="ShlPayload.v"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Protocol version<br/><span style="font-weight:bold">Example meaning default version: </span><span style="color: darkgreen">1</span></td></tr>
<tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
</text>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="fhir"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="4">
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
<valueCanonical
value="http://hl7.org/fhir/uv/smart-health-cards-and-links/ImplementationGuide/hl7.fhir.uv.smart-health-cards-and-links"/>
</extension>
</valueInteger>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
<valueCode value="trial-use">
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
<valueCanonical
value="http://hl7.org/fhir/uv/smart-health-cards-and-links/ImplementationGuide/hl7.fhir.uv.smart-health-cards-and-links"/>
</extension>
</valueCode>
</extension>
<url
value="http://hl7.org/fhir/uv/smart-health-cards-and-links/StructureDefinition/ShlPayload"/>
<version value="1.0.0"/>
<name value="ShlPayload"/>
<title value="SMART Health Link Payload"/>
<status value="active"/>
<date value="2025-07-22T13:23:29+00:00"/>
<publisher value="HL7 International / FHIR Infrastructure"/>
<contact>
<name value="HL7 International / FHIR Infrastructure"/>
<telecom>
<system value="url"/>
<value value="http://www.hl7.org/Special/committees/fiwg"/>
</telecom>
</contact>
<contact>
<name value="Frank McKinney"/>
<telecom>
<system value="email"/>
<value value="frank.mckinney@pocp.com"/>
</telecom>
<telecom>
<system value="email"/>
<value value="fm@frankmckinney.com"/>
</telecom>
</contact>
<description value="The SMART Health Link Payload object"/>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
<display value="World"/>
</coding>
</jurisdiction>
<purpose
value="This is a logical model reflecting the structure of a SMART Health Link (SHL) payload. Its intent is to provide a means for understanding SHL payload content."/>
<fhirVersion value="4.0.1"/>
<kind value="logical"/>
<abstract value="false"/>
<type
value="http://hl7.org/fhir/uv/smart-health-cards-and-links/StructureDefinition/ShlPayload"/>
<baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>
<derivation value="specialization"/>
<snapshot>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
<valueString value="4.0.1"/>
</extension>
<element id="ShlPayload">
<path value="ShlPayload"/>
<short value="SMART Health Link Payload"/>
<definition value="The SMART Health Link Payload object"/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Base"/>
<min value="0"/>
<max value="*"/>
</base>
<isModifier value="false"/>
</element>
<element id="ShlPayload.url">
<path value="ShlPayload.url"/>
<short value="Manifest URL for the SMART Health Link."/>
<definition value="Manifest URL for the SMART Health Link."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="ShlPayload.url"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="url"/>
</type>
<example>
<label value="URL""/>
<valueUrl
value="https://ehr.example.org/qr/Y9xwkUdtmN9wwoJoN3ffJIhX2UGvCL1JnlPVNL3kDWM/m"/>
</example>
</element>
<element id="ShlPayload.key">
<path value="ShlPayload.key"/>
<short value="Decryption key"/>
<definition
value="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="ShlPayload.key"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="string"/>
</type>
<example>
<label value="key"/>
<valueString value="rxTgYlOaKJPFtcEd0qcceN8wEU4p94SqAwIWQe6uX7Q"/>
</example>
</element>
<element id="ShlPayload.exp">
<path value="ShlPayload.exp"/>
<short value="Expiration time"/>
<definition
value="Number representing expiration time in Epoch seconds, as a hint to help the SMART Health Links Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ShlPayload.exp"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="decimal"/>
</type>
<example>
<label value="representing January 1, 2026 12:00:00 AM"/>
<valueString value="1767225600000"/>
</example>
</element>
<element id="ShlPayload.flag">
<path value="ShlPayload.flag"/>
<short value="Flag indicating link characteristics."/>
<definition
value="String created by concatenating single-character flags in alphabetical order. L: long-term use. P: requires a Passcode to resolve. U: url resolves to a single encrypted file (not to be used in combination with P)."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ShlPayload.flag"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="string"/>
</type>
<example>
<label value="representing 'Long-term use and requires passcode'"/>
<valueString value="LP"/>
</example>
</element>
<element id="ShlPayload.label">
<path value="ShlPayload.label"/>
<short
value="short description of the data behind the SMART Health Link."/>
<definition
value="String no longer than 80 characters that provides a short description of the data behind the SMART Health Link."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ShlPayload.flag"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="string"/>
</type>
<example>
<label value="label"/>
<valueString value="Back-to-school immunizations for Oliver Brown"/>
</example>
</element>
<element id="ShlPayload.v">
<path value="ShlPayload.v"/>
<short value="Protocol version"/>
<definition value="SMART Health Links protocol version."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ShlPayload.v"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="integer"/>
</type>
<example>
<label value="meaning default version"/>
<valueInteger value="1"/>
</example>
</element>
</snapshot>
<differential>
<element id="ShlPayload">
<path value="ShlPayload"/>
<short value="SMART Health Link Payload"/>
<definition value="The SMART Health Link Payload object"/>
</element>
<element id="ShlPayload.url">
<path value="ShlPayload.url"/>
<short value="Manifest URL for the SMART Health Link."/>
<definition value="Manifest URL for the SMART Health Link."/>
<min value="1"/>
<max value="1"/>
<type>
<code value="url"/>
</type>
<example>
<label value="URL""/>
<valueUrl
value="https://ehr.example.org/qr/Y9xwkUdtmN9wwoJoN3ffJIhX2UGvCL1JnlPVNL3kDWM/m"/>
</example>
</element>
<element id="ShlPayload.key">
<path value="ShlPayload.key"/>
<short value="Decryption key"/>
<definition
value="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."/>
<min value="1"/>
<max value="1"/>
<type>
<code value="string"/>
</type>
<example>
<label value="key"/>
<valueString value="rxTgYlOaKJPFtcEd0qcceN8wEU4p94SqAwIWQe6uX7Q"/>
</example>
</element>
<element id="ShlPayload.exp">
<path value="ShlPayload.exp"/>
<short value="Expiration time"/>
<definition
value="Number representing expiration time in Epoch seconds, as a hint to help the SMART Health Links Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"/>
<min value="0"/>
<max value="1"/>
<type>
<code value="decimal"/>
</type>
<example>
<label value="representing January 1, 2026 12:00:00 AM"/>
<valueString value="1767225600000"/>
</example>
</element>
<element id="ShlPayload.flag">
<path value="ShlPayload.flag"/>
<short value="Flag indicating link characteristics."/>
<definition
value="String created by concatenating single-character flags in alphabetical order. L: long-term use. P: requires a Passcode to resolve. U: url resolves to a single encrypted file (not to be used in combination with P)."/>
<min value="0"/>
<max value="1"/>
<type>
<code value="string"/>
</type>
<example>
<label value="representing 'Long-term use and requires passcode'"/>
<valueString value="LP"/>
</example>
</element>
<element id="ShlPayload.label">
<path value="ShlPayload.label"/>
<short
value="short description of the data behind the SMART Health Link."/>
<definition
value="String no longer than 80 characters that provides a short description of the data behind the SMART Health Link."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ShlPayload.flag"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="string"/>
</type>
<example>
<label value="label"/>
<valueString value="Back-to-school immunizations for Oliver Brown"/>
</example>
</element>
<element id="ShlPayload.v">
<path value="ShlPayload.v"/>
<short value="Protocol version"/>
<definition value="SMART Health Links protocol version."/>
<min value="0"/>
<max value="1"/>
<type>
<code value="integer"/>
</type>
<example>
<label value="meaning default version"/>
<valueInteger value="1"/>
</example>
</element>
</differential>
</StructureDefinition>