http://hl7.org/fhir/StructureDefinition/operationoutcome-issue-server|5.2.0

Identifies the server that is responsible for creating the issue

element_id	types
Extension
Extension.extension
Extension.url
Extension.value[x]	url
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	url