Call the playlist/v1/generate, playlist/v2/generate, or playlist/v2/generate_long endpoint with the customer unique ID as the player_identifier. See:
Note: The first call will promote the registration to a player (see Add a Player in Broadsign Control Administrator). All subsequent calls to the playlist/v1/generate endpoint will return correct playlists.
Scheduling changes will appear in the generated playlists at regular polling intervals.