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SimpleEventBus is a global variable for the event stream. See This class provides methods for managing the flow of the events. See the Global Client Events article for more information on about the usage of these methodssystem out-of-the-box events that the class can interact with.

on(eventType, callback)

A subscription Use this method to subscribe to an event. 

Parameters:

Return:

Example:

const obj = SimpleEventBus.on('myEvent', (data) => { alert(data); }) 
obj.unsubscribe();

emit(eventType, data)

This method starts an event. Use it Use this method in client scripts of the widgetsor widgets to initiate an event.

Parameters:

Return:

Example:

const obj = SimpleEventBus.emit('myEvent', 'text')

deleteEvent(eventType)

Deletes Use this method to delete an event.

Parameter:

Return:

Example:

const obj = SimpleEventBus.deleteEvent('myEvent')

reset()

This method resets all events and subscriptions.

Return:

Example:

SimpleEventBus.reset()