NameFlagsCard.TypeDescription & Constraintsdoco
.. SignatureTUElementA Signature - XML DigSig, JWS, Graphical image of signature, etc.
Elements defined in Ancestors: id, extension
... typeΣ1..*CodingIndication of the reason the entity signed the object(s)
Signature Type Codes (Preferred)
... whenΣ1..1instantWhen the signature was created
... whoΣ1..1Reference(Practitioner | PractitionerRole | RelatedPerson | Patient | Device | Organization)Who signed
... onBehalfOfΣ0..1Reference(Practitioner | PractitionerRole | RelatedPerson | Patient | Device | Organization)The party represented
... targetFormat0..1codeThe technical format of the signed resources
MimeType (Required)
... sigFormat0..1codeThe technical format of the signature
MimeType (Required)
... data0..1base64BinaryThe actual signature content (XML DigSig. JWS, picture, etc.)

doco Documentation for this format