I haven't really dealt with your situation or used DP for very long but maybe one of these commands
Mesh
phy make rigid body static mesh object
phy make rigid body static mesh object, material
phy make rigid body dynamic mesh object
phy make rigid body dynamic mesh object, material
phy make rigid body static mesh object, file$
phy make rigid body static mesh object, file$, material
phy make rigid body dynamic mesh object, file$
phy make rigid body dynamic mesh object, file$, material
phy load rigid body static mesh object, file$
phy load rigid body static mesh object, file$, material
phy load rigid body dynamic mesh object, file$
phy load rigid body dynamic mesh object, file$, material
Here I am But am not here, there you are not really there.