format

OID4VCI: REQUIRED if an AuthorizationDetails.OpenIdCredential was not returned from the TokenResponseParameters (e.g. when the credential was requested using a AuthenticationRequestParameters.scope or a pre-authorisation code was used that did not return an AuthorizationDetails.OpenIdCredential). It MUST NOT be used otherwise. A string that determines the format of the Credential to be issued, which may determine the type and any other information related to the Credential to be issued. Credential Format Profiles consist of the Credential format specific parameters that are defined in Appendix A. When this parameter is used, the credentialIdentifier parameter MUST NOT be present.