http://hl7.org/fhir/StructureDefinition/workflow-instantiatesUri|4.0.1

The URL pointing to an externally maintained protocol, guideline, orderset or other definition that is adhered to in whole or in part by the event or request resource.
element_idtypes
Extension
Extension.extension
Extension.url
Extension.value[x]
Extension
Extension.id
Extension.extension
Extension.url
Extension.value[x]