description: The date the request was sent to the PDMP Responder.
package_name: hl7.fhir.us.pdmp.r4b
derivation: constraint
name: PDMP_Header_Timestamp_Extension
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pdmp/StructureDefinition/pdmp-header-timestamp-extension'}
    index: 1
  value:
    short: Message Timestamp
    choices: [valueDateTime]
    index: 3
  valueDateTime: {type: dateTime, short: Message Timestamp, choiceOf: value, index: 4}
package_version: 1.0.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/pdmp/StructureDefinition/pdmp-header-timestamp-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0
required: [valueDateTime, value]