# Raise Event Raise an event in the event bus. ```sig control.raiseEvent(control.eventSourceId(EventBusSource.MICROBIT_ID_BUTTON_A), control.eventValueId(EventBusValue.MICROBIT_EVT_ANY)); ``` **This is an advanced API.** For more information, see the [@boardname@ runtime messageBus documentation](https://lancaster-university.github.io/microbit-docs/ubit/messageBus/)