Pull::addToStack

static function addToStack($command, array $params)
{
	if (!static::canUse())
	{
		return false;
	}

	return CPullWatch::addToStack(
		self::TAG,
		array(
			'module_id' => 'messageservice',
			'command' => $command,
			'params' => $params,
		)
	);
}