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i want ask everyone, have you ever made an experiment where it contains media player mpy and video?
if there are please give me a tutorial on making it!!!
The best way to find out how the media player item works is to check out its documentation. Once you have added the media_player_mpy to your experiment's timeline, you can access its help page by clicking the question mark button in the top-right corner.
It should be pretty straight-forward as the media player items works just as any other item in OpenSesame.