Provides the number of threads in a specific folder.
Folder name ('inbox', 'other' or 'spam')
The highest action ID of a thread in a particular folder. The value increases as new messages are added. This can be useful for checking whether there are any new threads in the folder
Last time the folder was accessed (UNIX timestamp, in milliseconds)
Refetch action ID of a thread in a particular folder. If your cached action ID is lower than this value, you should do a full refetch instead of syncing incrementally via
Total number of non-archived threads
Number of unread threads in the folder
Number of unseen threads in the folder
Access to this table requires the
read_mailbox extended permission.