Effector
This is a ROS message definition.
Source
# Effectors allow agents to perform actions within the simulation. Agents control them by
# sending messages to the server, and the server changes the game state accordingly.
# Effectors are the logical dual of perceptors.
# Details of each message type are explained in each msg file.
HingeJointVel[] hinge_joint_vels
UniversalJointVel[] universal_joint_vels
Beam[] beams
Say[] says