description: A profile that defines the characteristics of a PSOM message that can be shared between systems, including the type of event that initiates the message. Instances of this resource provide information on the content to be transmitted and what response(s), if any, are permitted.
package_name: fhir.r4.wales.psom
derivation: constraint
name: DataStandardsWalesPSOMMessageDefinition
type: MessageDefinition
elements:
  url:
    constraint:
      -MessageDefinition-01: {human: The MessageDefinition.url needs to start with the NHS Wales base., severity: error, expression: 'startsWith(''https://fhir.nhs.wales/MessageDefinition/'')'}
    index: 0
  description: {index: 1}
  event:
    choices: [eventCoding]
    index: 3
  eventCoding: {type: Coding, choiceOf: event, index: 4}
package_version: 1.0.0-rc2
class: profile
kind: resource
url: https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PSOM-MessageDefinition
base: http://hl7.org/fhir/StructureDefinition/MessageDefinition
version: null
required: [description, url]