| target | Yes | Reference<Resource>[] | Target Reference(s) (usually version specific) |
| occurred[x] | No | Period, dateTime | When the activity occurred |
| recorded | Yes | instant | When the activity was recorded / updated |
| policy | No | uri[] | Policy or plan the activity was defined by |
| location | No | Reference<Location> | Where the activity occurred, if relevant |
| reason | No | CodeableConcept[] | Reason the activity is occurring |
| activity | No | CodeableConcept | Activity that occurred |
| agent | Yes | ProvenanceAgent | Actor involved |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | CodeableConcept | How the agent participated |
| - role | No | CodeableConcept[] | What the agents role was |
| - who | Yes | Reference<Practitioner / PractitionerRole / RelatedPerson / Patient / Device / Organization> | Who participated |
| - onBehalfOf | No | Reference<Practitioner / PractitionerRole / RelatedPerson / Patient / Device / Organization> | Who the agent is representing |
| entity | No | ProvenanceEntity | An entity used in this activity |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - role | Yes | code | derivation / revision / quotation / source / removal |
| - what | Yes | Reference<Resource> | Identity of entity |
| - agent | No | [] | Entity is attributed to this agent |
| signature | No | Signature[] | Signature on target |
