description: The relatedData extension allows indicating that an input to a parent action is an input to specific child actions. It also allows the output of one action to be identified as the input to a different action.
package_name: hl7.fhir.us.ecr.r4
derivation: constraint
name: USPublicHealthRelatedDataExtension
type: Extension
elements:
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-relateddata-extension'}
    index: 0
  value:
    short: The ID of the input or output element that provides data to this input or results as output.
    choices: [valueString]
    index: 2
  valueString: {type: string, short: The ID of the input or output element that provides data to this input or results as output., choiceOf: value, index: 3}
package_version: 2.1.1
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-relateddata-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 2.1.1
required: [valueString, value]