http://hl7.org/fhir/StructureDefinition/firstCreated|5.2.0
Indicates when this resource ID was first associated with content on this server.
description: Indicates when this resource ID was first associated with content on this server. derivation: constraint name: FirstCreated type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/firstCreated'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/firstCreated base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]