-- @/=[C]:-1
function attachExternalCoupler(...)
--print("attach")
obj:attachExternalCoupler(fifthwheelNodeCid, minDistanceObjId, minDistanceNodeCid, fifthwheelCouplerStrength, fifthwheelCouplerRadius, fifthwheelCouplerLockRadius, fifthWheelCouplerLatchSpeed, 0)
state = couplerState.attaching