Name	Flags	Card.	Type	Description & Constraints
Provenance	Σ		DomainResource	Who, What, When for a set of resources
target	Σ	1..*	Reference( Any)	Target Reference(s) (usually version specific)
period	Σ	0..1	Period	When the activity occurred
recorded	Σ	1..1	instant	When the activity was recorded / updated
reason	Σ	0..*	CodeableConcept	Reason the activity is occurring PurposeOfUse ( Extensible)
activity	Σ	0..1	CodeableConcept	Activity that occurred ProvenanceEventCurrentState ( Extensible)
location	Σ	0..1	Reference( Location)	Where the activity occurred, if relevant
policy	Σ	0..*	uri	Policy or plan the activity was defined by
agent	Σ	0..*	BackboneElement	Agents involved in creating resource
role	Σ	1..1	Coding	What the agents involvement was ProvenanceParticipantRole ( Extensible)
actor	Σ	0..1	Reference( Practitioner | RelatedPerson | Patient | Device | Organization)	Individual, device or organization playing role
userId	Σ	0..1	Identifier	Authorization-system identifier for the agent
relatedAgent	Σ	0..*	BackboneElement	Track delegation between agents
type	Σ	1..1	CodeableConcept	Type of relationship between agents v3 Code System RoleLinkType ( Example)
target	Σ	1..1	uri	Reference to other agent in this resource by identifier
entity	Σ	0..*	BackboneElement	An entity used in this activity
role	Σ	1..1	code	derivation | revision | quotation | source ProvenanceEntityRole ( Required)
type	Σ	1..1	Coding	The type of resource in this entity ResourceType ( Extensible)
reference	Σ	1..1	uri	Identity of entity
display	Σ	0..1	string	Human description of entity
agent	Σ	0..1	see agent	Entity is attributed to this agent
signature	Σ	0..*	Signature	Signature on target
Documentation for this format