http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-deliveryMode|4.0.1

Indicates the type of service offered, method of delivery. For example: post office box, rural route, general delivery, etc.

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