Quick answer: Establish the routing connection between Liquid Notes and the DAW, hit record in your DAW and set Liquid Notes to play.
Recording to your DAW from Liquid NotesLiquid Notes offers you the possibility to transfer your song to the DAW by recording the entire song to it. This can be done easily, and requires you to establish the routing connection between Liquid Notes and your DAW.
In your DAW, assign a new track - or, use all existing tracks - and set it/them to Recording. Then, in Liquid Notes hit Play. This will record all notes of all tracks to your DAW.
Read more about establishing the routing connection to the most popular DAWs in this article http://re-compose.desk.com/customer/portal/articles/1382228.