Defines an assertion that consists of a label that can be either a C2PA-defined assertion label or a custom label in reverse domain format.
Optional
True if this assertion is attributed to the signer (defaults to false)
The kind of assertion data, either Cbor or Json (defaults to Cbor)
An assertion label in reverse domain format
Defines an assertion that consists of a label that can be either a C2PA-defined assertion label or a custom label in reverse domain format.