timecodeStart property
Specify the timecode that you want the service to use for this input's initial frame. To use this setting, you must set the Timecode source setting, located under the input settings (InputTimecodeSource), to Specified start (SPECIFIEDSTART). For more information about timecodes, see https://docs.aws.amazon.com/console/mediaconvert/timecode.
Implementation
final String? timecodeStart;