Notification commands

Read or dismiss notifications.

dismissall	bool	Set to 1 to dismiss all notification.
unreadcount	bool	Set to 1 to just read the number of unread notifications
markasread	collection[number]	List of notification IDs to be marked as 'read'

numunread	number	Number of unread notifications
latest_notiid	number	The ID of the latest notification
unread	collection[ notification ]	List of unread notifications