-1 if the given number of transforms does not match the number of transforms in the agent’s rig, the primitive number is out of range, or the primitive is not an agent.
The geometry to fetch the agent primitives from. The
op:/ syntax can be
used to refer to a SOP operator rather than a file on disk.
The primitive number of the agent primitive.
Whether to convert the transforms from world space to local space, or vice versa.
The transforms to convert.