{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/Element","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]}],"date":"2018-08-19T21:48:56+10:00","derivation":"specialization","description":"Base StructureDefinition for string Type: A sequence of Unicode characters","differential":{"element":[{"comment":"Note that FHIR strings SHALL NOT exceed 1MB in size","definition":"A sequence of Unicode characters","id":"string","max":"*","min":0,"path":"string","short":"Primitive Type string"},{"definition":"Primitive value for string","id":"string.value","max":"1","maxLength":1048576,"min":0,"path":"string.value","representation":["xmlAttr"],"short":"Primitive value for string","type":[{"_code":{"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type","valueString":"string"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type","valueString":"xsd:string"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type","valueString":"xsd:string"}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/regex","valueString":"[ \\r\\n\\t\\S]+"}]}]}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueString":"Normative"}],"fhirVersion":"3.5a.0","id":"string","kind":"primitive-type","name":"string","publisher":"HL7 FHIR Standard","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"string"},"comment":"Note that FHIR strings SHALL NOT exceed 1MB in size","constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"Element","xpath":"@value|f:*|h:div"}],"definition":"A sequence of Unicode characters","id":"string","isModifier":false,"isSummary":false,"max":"*","min":0,"path":"string","short":"Primitive Type string"},{"base":{"max":"1","min":0,"path":"Element.id"},"definition":"unique id for the element within a resource (for internal references)","id":"string.id","isModifier":false,"isSummary":false,"max":"1","min":0,"path":"string.id","representation":["xmlAttr"],"short":"xml:id (or equivalent in JSON)","type":[{"code":"string"}]},{"alias":["extensions","user content"],"base":{"max":"*","min":0,"path":"Element.extension"},"comment":"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.","definition":"May be used to represent additional information that is not part of the basic definition of the resource. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.","id":"string.extension","isModifier":false,"isSummary":false,"max":"*","min":0,"path":"string.extension","short":"Additional Content defined by implementations","type":[{"code":"Extension"}]},{"base":{"max":"1","min":0,"path":"string.value"},"definition":"The actual value","id":"string.value","isModifier":false,"isSummary":false,"max":"1","maxLength":1048576,"min":0,"path":"string.value","representation":["xmlAttr"],"short":"Primitive value for string","type":[{"_code":{"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type","valueString":"string"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type","valueString":"xsd:string"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type","valueString":"xsd:string"}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/regex","valueString":"[ \\r\\n\\t\\S]+"}]}]}]},"status":"draft","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\">to do</div>","status":"generated"},"type":"string","url":"http://hl7.org/fhir/StructureDefinition/string"}