int agenttransformtolocal(<geometry>geometry, int prim, matrix &transforms)
len(transforms) does not match the number of transforms in the agent’s rig,
prim is out of range, or
prim is not an agent primitive.
The name of the geometry file to reference. Inside Houdini, this may be
op:full_path_to_sop to reference a SOP.
The number of the input to reference. The first input is number
0, the second is
The primitive number.
The transforms to convert from world space to local space.