StaticprefixedOptionalcontext: anyCalls each of the listeners registered for a given event.
Return an array listing the events for which the emitter has registered listeners.
Return the number of listeners listening to a given event.
Return the listeners registered for a given event.
Optionalfn: (Optionalcontext: anyOptionalonce: booleanAdd a listener for a given event.
Optionalcontext: anyAdd a one-time listener for a given event.
Optionalcontext: anyRemove all listeners, or those of the specified event.
Optionalevent: "status" | "result" | "feedback" | "goal"Remove the listeners of a given event.
Optionalfn: (Optionalcontext: anyOptionalonce: boolean
An actionlib action listener.
Emits the following events: