description: This Task resource has been constrained to represent a nullification request for a Failsafe Alert event message, to support the Events Management Service project.
package_name: nhsdigital.fhir.stu3
derivation: constraint
name: EMS-FailsafeAlertNullify-Task-1
type: Task
elements:
  restriction:
    short: Period of time during which nullification of the Failsafe Alert applies
    index: 56
    elements:
      repetitions: {index: 57}
      period:
        index: 58
        elements:
          start: {index: 59}
        required: [start]
      recipient: {index: 60}
    required: [period]
  description: {short: Description of why an alert has been nullified, index: 22}
  performerType:
    short: The service to action the task for the Failsafe Alert
    index: 34
    elements:
      coding:
        index: 35
        elements:
          system:
            pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/CodeSystem/EMS-FailsafeAlert-ServiceToAction-1'}
            index: 36
          code: {index: 37}
          display: {index: 38}
        required: [display, system, code]
  executionPeriod: {index: 27}
  definition:
    choices: []
    index: 8
  relevantHistory: {index: 55}
  statusReason: {index: 13}
  authoredOn: {short: The date and time the nullification was raised, index: 28}
  output: {index: 62}
  businessStatus: {index: 14}
  note:
    index: 48
    elements:
      author:
        choices: [authorReference, authorString, authorReference, authorReference]
        index: 50
      authorReference:
        type: Reference
        choiceOf: author
        refers: ['https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-EMS-Patient-1']
        index: 53
      authorString: {type: string, choiceOf: author, index: 52}
  reason:
    short: Reason for the nullification of the Failsafe Alert
    index: 40
    elements:
      coding:
        index: 41
        elements:
          system:
            pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/CodeSystem/EMS-FailsafeAlertNullifyReason-1'}
            index: 42
          version: {index: 43}
          code: {index: 44}
          display: {index: 45}
          userSelected: {index: 46}
        required: [display, system, code]
      text: {index: 47}
    required: [coding]
  for:
    type: Reference
    refers: ['http://hl7.org/fhir/StructureDefinition/Resource', 'https://fhir.nhs.uk/STU3/StructureDefinition/CareConnect-EMS-Patient-1']
    index: 25
  requester:
    short: Requester of the nullification of Failsafe Alert
    index: 30
    elements:
      agent:
        type: Reference
        refers: ['https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-Organization-1', 'https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-Practitioner-1']
        index: 31
        elements:
          reference: {index: 32}
        required: [reference]
      onBehalfOf:
        type: Reference
        refers: ['https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-Organization-1']
        index: 33
  lastModified: {index: 29}
  priority: {index: 16}
  status: {index: 12}
  groupIdentifier: {index: 10}
  code:
    index: 17
    elements:
      coding:
        index: 18
        elements:
          system:
            pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/CodeSystem/EMS-FailsafeAlert-ActionRequired-1'}
            index: 19
          code: {index: 20}
          display: {index: 21}
        required: [display, system, code]
  identifier:
    index: 0
    elements:
      use: {index: 1}
      type: {index: 2}
      system: {index: 3}
      value: {index: 4}
      period: {index: 5}
      assigner:
        type: Reference
        refers: ['https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-Organization-1']
        index: 6
    required: [value, system]
  context:
    type: Reference
    refers: ['http://hl7.org/fhir/StructureDefinition/EpisodeOfCare', 'https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-Encounter-1']
    index: 26
  intent:
    pattern: {type: Code, value: order}
    index: 15
  focus:
    type: Reference
    short: Originating Failsafe Alert responsible for the nullification request
    refers: ['https://fhir.nhs.uk/STU3/StructureDefinition/EMS-FailsafeAlert-Task-1']
    index: 23
    elements:
      reference: {index: 24}
    required: [reference]
  input: {index: 61}
  basedOn: {index: 9}
  partOf:
    type: Reference
    refers: ['https://fhir.nhs.uk/STU3/StructureDefinition/EMS-FailsafeAlert-Task-1']
    index: 11
  owner:
    type: Reference
    refers: ['https://fhir.hl7.org.uk/STU3/StructureDefinition/CareConnect-Organization-1', 'https://fhir.nhs.uk/STU3/StructureDefinition/EMS-HealthcareService-1']
    index: 39
package_version: 1.1.0
class: profile
kind: resource
url: https://fhir.nhs.uk/STU3/StructureDefinition/EMS-FailsafeAlertNullify-Task-1
base: http://hl7.org/fhir/StructureDefinition/Task
version: 1.1.0
required: [authoredOn, requester, focus, reason]