The following playlist template will generate a two hour playlist consisting of Items from all of your Media Library categories.
Click the 
icon on the toolbar.
In the Action section make sure that the Replace Existing Playlist option is enabled.
In the Options section make sure that the Clear History and Auto Play After Generate options are enabled.
Click the Generate... button. OtsAV will generate a generic playlist and begin playing it.
To learn how to tailor playlist generation to your specific requirements using the Playlist Template Builder click here.
To learn how to manually create a playlist click here.
How to build a Playlist Template using the Template Builder
How to manually build a playlist
How to build an advanced Playlist Template
Playlist generation and options