After you create a bake set, you can assign any additional objects you create to that bake set.
To assign objects to existing bake sets
sets –add myBakeSet nurbsSphere2;
To change the attributes of the initial bake set
The object’s attributes appear in the Attribute Editor.
To change the attributes of the initial texture bake set, see Texture Bake Set.
To change the attributes of the initial vertex bake set, see Vertex Bake Set.