WalkMe Events
PlayerInitComplete	Triggered after the WalkMe Player is fully loaded.
NewStepShown	Triggered when the next step balloon is shown.
LauncherIsShown	Triggered after the launcher element is shown.
TaskCompleted	Triggered after a task is completed.
TasksLoaded	Triggered after tasks is fully loaded.
wmLauncherClicked	Triggered when the launcher element is clicked.
SurveyCompleted	Triggered when a survey is completed.
SurveyPlayed	Triggered when a survey is started.
BalloonCreated	Triggered after the balloon element is shown.
WalkthruAborted	Triggered when a Walk-Thru is aborted.
UserStoppedWalkthru	Triggered when a user stops a Walk-Thru, before a Walk-Thru stops.
UserStoppedWalkthruAfterStop	Triggered when a user stops a Walk-Thru, after the Walk-Thru stops.
WalkthruFailedToStart	Triggered when a Walk-Thru fails to start.
BackButtonClicked	Triggered when the "Back" button on a step balloon is clicked.
NextButtonClicked	Triggered when the "Next" button on a step balloon is clicked.
DoneButtonClicked	Triggered when the "Done" button on a step balloon is clicked.
BBCodeLinkClicked	Triggered when a BBCode Link on a step balloon is clicked.

var importantTaskId = 123456;
window.walkme_event = function(eventData) {
  if (eventData.Type === "SurveyCompleted") {
    if (eventData.ExtraData.TaskId == importantTaskId) {
      alert("Important task completed");
    }
  }
}