float agentchannelvalue(<geometry>geometry, int prim, int channel)
Returns zero if
prim is out of range,
prim is not an agent primitive, or
channel is out of range.
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.
Index of a channel in the agent’s rig.