MediaPoolItem.set_mark_in_out# MediaPoolItem.set_mark_in_out(mark_in: int, mark_out: int, type: str = 'all') → bool[source]# Sets mark in/out of type “video”, “audio” or “all” (default). Parameters: mark_in (int) – mark in mark_out (int) – mark out type (str, optional) – Defaults to “all”. Returns: Returns True if successful. Return type: bool