{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/Extension","context":[{"expression":"CodeSystem","type":"element"}],"date":"2018-08-19T21:48:56+10:00","derivation":"constraint","description":"Each comment is a time-stamped entry of arbitrary length that is not editable except by anyone in the author group.","differential":{"element":[{"definition":"Each comment is a time-stamped entry of arbitrary length that is not editable except by anyone in the author group.","id":"Extension","isModifier":false,"max":"*","min":0,"path":"Extension","short":"Human-specified notes and other documentation"},{"definition":"Comments created about the value set.","id":"Extension.extension:content","isModifier":false,"max":"1","min":1,"path":"Extension.extension","short":"Remarks or other text","sliceName":"content","type":[{"code":"Extension"}]},{"id":"Extension.extension:content.extension","max":"0","path":"Extension.extension.extension"},{"fixedUri":"content","id":"Extension.extension:content.url","path":"Extension.extension.url","type":[{"code":"uri"}]},{"id":"Extension.extension:content.valueString","path":"Extension.extension.valueString","type":[{"code":"string"}]},{"definition":"Time the comment was recorded.","id":"Extension.extension:timestamp","isModifier":false,"max":"1","min":1,"path":"Extension.extension","short":"When the comment was created","sliceName":"timestamp","type":[{"code":"Extension"}]},{"id":"Extension.extension:timestamp.extension","max":"0","path":"Extension.extension.extension"},{"fixedUri":"timestamp","id":"Extension.extension:timestamp.url","path":"Extension.extension.url","type":[{"code":"uri"}]},{"id":"Extension.extension:timestamp.valueInstant","path":"Extension.extension.valueInstant","type":[{"code":"instant"}]},{"fixedUri":"http://hl7.org/fhir/StructureDefinition/codesystem-comment","id":"Extension.url","path":"Extension.url","type":[{"code":"uri"}]},{"id":"Extension.value[x]","max":"0","min":0,"path":"Extension.value[x]"}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"vocab"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"fhirVersion":"3.5.0","id":"codesystem-comment","kind":"complex-type","mapping":[{"identity":"rim","name":"RIM Mapping","uri":"http://hl7.org/v3"}],"name":"comment","publisher":"HL7","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"Extension"},"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":"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":"Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"}],"definition":"Each comment is a time-stamped entry of arbitrary length that is not editable except by anyone in the author group.","id":"Extension","isModifier":false,"max":"*","min":0,"path":"Extension","short":"Human-specified notes and other documentation"},{"base":{"max":"1","min":0,"path":"Element.id"},"definition":"Unique id for the element within a resource (for internal references). 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