http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-extractAllocateId|4.0.0-ballot
Allocate a new uuid in a named variable for use in extraction. This is usually used to set the `fullUrl` for a resource in the output extraction bundle, and then referenced in other resources within that transaction bundle (via fhirpath expressions).
description: Allocate a new uuid in a named variable for use in extraction. This is usually used to set the `fullUrl` for a resource in the output extraction bundle, and then referenced in other resources within that transaction bundle (via fhirpath expressions). derivation: constraint name: ExtractAllocateIdExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-extractAllocateId'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-extractAllocateId base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.0-ballot required: [value]