| DesktopConnectionaddEventCallback Method  | 
 
                Registers an event listener on the specified event. 
            
 
    Namespace: 
   Openfin.Desktop
    Assembly:
   OpenfinDesktop (in OpenfinDesktop.dll) Version: 17.4.0
 Syntax
Syntaxpublic void addEventCallback(
	JObject subscriptionObject,
	AckCallback listener,
	AckCallback callback,
	AckCallback errorCallback,
	Object source
)
Parameters
- subscriptionObject
- Type: JObject
 A JSON object containing subscription information such as the topic and type.
- listener
- Type: Openfin.DesktopAckCallback
 A function that is called whenever an event of the specified type occurs.
                It is passed an event object containing information related to the event.
- callback
- Type: Openfin.DesktopAckCallback
 A function that is called if the method succeeds.
- errorCallback
- Type: Openfin.DesktopAckCallback
 A function that is called if the method fails.
                The reason for failure is passed as an argument.
- source
- Type: SystemObject
 The message source to pair with resulting instances of AckCallback.
 See Also
See Also