self::TASK_EXPORT => self::$_tasks[self::TASK_EXPORT]['title'],
self::TASK_EMAIL => self::$_tasks[self::TASK_EMAIL]['title'],
self::PDF_RECEIPT => self::$_tasks[self::PDF_RECEIPT]['title'],
self::TASK_EXPORT => self::$_tasks[self::TASK_EXPORT]['title'],
self::TASK_EMAIL => self::$_tasks[self::TASK_EMAIL]['title'],
self::PDF_RECEIPT => self::$_tasks[self::PDF_RECEIPT]['title'],