A message was sent to a channel
{
"type": "message",
"subtype": "channel_convert_to_public",
"ts": "1723680078.026719",
"text": "made this channel *public*. Any member in this workspace can see and join it.",
"user": "U123ABC456",
"channel": "C123ABC456",
"event_ts": "1614215651.001300",
"channel_type": "channel"
}
A channel_convert_to_public message is sent when a channel is made public. Any member in this workspace can see and join it.
When an event occurs, we will send an HTTP POST request to your Request URL. The outer payload is uniform across all Events API methods, and contains fields like team_id and event. Learn more