A message was posted to a private channel
Compatibility: Events API
"text": "Hello world",
The semantics for this message event type are similar to the core message event sent through the RTM API.
To receive only messages sent to your app, subscribe to
app_mention events instead.
Events API compatibility
Subscribe to this event via the Events API.
Events of this type will be wrapped in metadata when sent via the Events API.
Unavailable in the RTM API
This event type is compatible only with the Events API.
When using the RTM API
, the Events API's
event types are presented as simple message events