user_presence_changed.{app_id}

[
    {"user": 8460409, "presence": "idle", "presence_details": {...}}
]

User’s status changed (or presence_details). Pay attention, that receiving this message does not guarantee that new status is not similar to the previous.

Contains an array of elements with 3 fields:

user contains user ID.

presence new status (online, offline, idle).

presence_details extended information on status.