CmfcTimedMetadataBoxVersion
Specify the event message box (eMSG) version for ID3 timed metadata in your output. For more information, see ISO/IEC 23009-1:2022 section 5.10.3.3.3 Syntax. Leave blank to use the default value Version 0. When you specify Version 1, you must also set ID3 metadata to Passthrough.