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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def SensorsTriggersNotificationsPost(self, sensor_id, trigger_id, parameters):

 """
 Connect a notification to a sensor-trigger combination.
 
 @param sensor_id (int) - Sensor id if the sensor-trigger combination.
 @param trigger_id (int) - Trigger id of the sensor-trigger combination.
 @param parameters (dictionary) - Dictionary containing the notification to connect.
 @note - 
 
 @return (bool) - Boolean indicating whether SensorsTriggersNotificationsPost was successful. 
 """

        if self.__SenseApiCall__('/sensors/{0}/triggers/{1}/notifications.json'.format(sensor_id, trigger_id), 'POST', parameters = parameters):
            return True
        else:
            self.__error__ = "api call unsuccessful"
            return False