Maya Exporting

We've made a lot of progress in our game, Rush Week, however thats not what I'm here to talk about. Today we're gonna talk about getting a level from maya into a game. There are many approaches to this but for our game I decided to export the whole level as layers. So my logic is I'll export all the trees as one layer, and I'll export all the scenes as such. And it works!!! Thats all