This field shall contain a credential structure that contains the CredentialTypeEnum and the credential index (if applicable or 0 if not) to retrieve the status for.
This field shall indicate the index of the specific credential used to authorize the lock operation in the list of credentials identified by CredentialType (e.g. PIN, RFID, etc.). This field shall be set to 0 if CredentialType is ProgrammingPIN or does not correspond to a list that can be indexed into.
This field shall indicate the credential field used to authorize the lock operation.
Input to the DoorLock getCredentialStatus command
See
MatterSpecification.v13.Cluster § 5.2.10.42