GoalID goal_id
uint8 status
uint8 PENDING         = 0   # The goal has yet to be processed by the action server.
uint8 ACTIVE          = 1   # The goal is currently being processed by the action server.
uint8 PREEMPTED       = 2   # The goal received a cancel request after it started executing
                            #   and has since completed its execution (Terminal State).
uint8 SUCCEEDED       = 3   # The goal was achieved successfully by the action server
                            #   (Terminal State).
uint8 ABORTED         = 4   # The goal was aborted during execution by the action server due
                            #    to some failure (Terminal State).
uint8 REJECTED        = 5   # The goal was rejected by the action server without being processed,
                            #    because the goal was unattainable or invalid (Terminal State).
uint8 PREEMPTING      = 6   # The goal received a cancel request after it started executing
                            #    and has not yet completed execution.
uint8 RECALLING       = 7   # The goal received a cancel request before it started executing, but
                            #    the action server has not yet confirmed that the goal is canceled.
uint8 RECALLED        = 8   # The goal received a cancel request before it started executing
                            #    and was successfully cancelled (Terminal State).
uint8 LOST            = 9   # An action client can determine that a goal is LOST. This should not
                            #    be sent over the wire by an action server.

# Allow for the user to associate a string with GoalStatus for debugging.
string text