{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/Extension","contact":[{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg"}]}],"context":[{"expression":"Questionnaire.item","type":"element"},{"expression":"ElementDefinition","type":"element"}],"date":"2014-04-27","derivation":"constraint","description":"The minimum number of characters that must be present in the simple data type to be considered a \"valid\" instance.","differential":{"element":[{"comment":"For base64binary, reflects the number of characters representing the encoded data, not the number of bytes of the binary data.","definition":"The minimum number of characters that must be present in the simple data type to be considered a \"valid\" instance.","id":"Extension","mapping":[{"identity":"v2","map":"N/A"},{"identity":"rim","map":"N/A (MIF-level)"}],"max":"1","min":0,"path":"Extension","short":"At least this many characters"},{"id":"Extension.extension","max":"0","path":"Extension.extension"},{"fixedUri":"http://hl7.org/fhir/StructureDefinition/minLength","id":"Extension.url","path":"Extension.url"},{"id":"Extension.value[x]","min":1,"path":"Extension.value[x]","type":[{"code":"integer"}]}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"fhir"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"fhirVersion":"4.0.1","id":"minLength","kind":"complex-type","mapping":[{"identity":"v2","name":"HL7 v2 Mapping","uri":"http://hl7.org/v2"},{"identity":"rim","name":"RIM Mapping","uri":"http://hl7.org/v3"}],"name":"minLength","publisher":"Health Level Seven International (FHIR Infrastructure)","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"Extension"},"comment":"For base64binary, reflects the number of characters representing the encoded data, not the number of bytes of the binary data.","condition":["ele-1"],"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"},{"expression":"extension.exists() != value.exists()","human":"Must have either extensions or value[x], not both","key":"ext-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"}],"definition":"The minimum number of characters that must be present in the simple data type to be considered a \"valid\" instance.","id":"Extension","isModifier":false,"mapping":[{"identity":"v2","map":"N/A"},{"identity":"rim","map":"N/A (MIF-level)"}],"max":"1","min":0,"path":"Extension","short":"At least this many characters"},{"base":{"max":"1","min":0,"path":"Element.id"},"definition":"Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.","id":"Extension.id","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"n/a"}],"max":"1","min":0,"path":"Extension.id","representation":["xmlAttr"],"short":"Unique id for inter-element referencing","type":[{"code":"http://hl7.org/fhirpath/System.String","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type","valueUrl":"string"}]}]},{"base":{"max":"*","min":0,"path":"Element.extension"},"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"},{"expression":"extension.exists() != value.exists()","human":"Must have either extensions or value[x], not both","key":"ext-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])"}],"definition":"An Extension","id":"Extension.extension","isModifier":false,"isSummary":false,"max":"0","min":0,"path":"Extension.extension","short":"Extension","slicing":{"description":"Extensions are always sliced by (at least) url","discriminator":[{"path":"url","type":"value"}],"rules":"open"},"type":[{"code":"Extension"}]},{"base":{"max":"1","min":1,"path":"Extension.url"},"comment":"The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.","definition":"Source of the definition for the extension code - a logical name or a URL.","fixedUri":"http://hl7.org/fhir/StructureDefinition/minLength","id":"Extension.url","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"N/A"}],"max":"1","min":1,"path":"Extension.url","representation":["xmlAttr"],"short":"identifies the meaning of the extension","type":[{"code":"http://hl7.org/fhirpath/System.String","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type","valueUrl":"uri"}]}]},{"base":{"max":"1","min":0,"path":"Extension.value[x]"},"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"}],"definition":"Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list).","id":"Extension.value[x]","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"N/A"}],"max":"1","min":1,"path":"Extension.value[x]","short":"Value of extension","type":[{"code":"integer"}]}]},"status":"draft","type":"Extension","url":"http://hl7.org/fhir/StructureDefinition/minLength","version":"4.0.1"}