Function triggerUserWorkflowEvent

triggerUserWorkflowEvent(eventGuid, urlParameters, ajaxParameters): Promise<[]>
Triggers an User Workflow Event, which is always a POST-Request.
Parameters
- eventGuid: string
  
  The parameter eventGuid of the generic event handler.
- urlParameters: object
  
  An object containing name value pairs, which will be part of the Query-String.
- ajaxParameters: object
  
  An object containing synchronous mode.
Returns Promise<[]>
Example
Trigger event with guid <EVENTGUID>.
Define a generic event handler with the class de.uplanet.lucy.server.workflow.eventhandler.UserWorkflowEventHandler before.
```
triggerUserWorkflowEvent("<EVENTGUID>", {"param1":"value1","param2":"value2"}, {"async": true});
```
Example
```
$.when(triggerUserWorkflowEvent("<EVENTGUID>", {"param1":"value1", "param2":"value2"}, {"async": true}))
    .done(function() {
       alert("done");
    })
    .fail(function() {
       alert("failed :(");
    });
```