Enable event occurrences for specified event types and mechanisms in this resource.

        :param event_type: Logical event identifier.
        :param mechanism: Specifies event handling mechanisms to be enabled.
                          (Constants.VI_QUEUE, .VI_HNDLR, .VI_SUSPEND_HNDLR)
        :param context:  Not currently used, leave as None.

def enable_event(self, event_type, mechanism, context=None):
        """Enable event occurrences for specified event types and mechanisms in this resource.

        :param event_type: Logical event identifier.
        :param mechanism: Specifies event handling mechanisms to be enabled.
                          (Constants.VI_QUEUE, .VI_HNDLR, .VI_SUSPEND_HNDLR)
        :param context:  Not currently used, leave as None.
        """
        self.visalib.enable_event(self.session, event_type, mechanism, context)