A message was sent to a channel
{
"type": "message",
"subtype": "reminder_add",
"user": "U12345678",
"team": "T12345678",
"ts": "1361482916.000003",
"text": "set up a reminder to “get reminded” in this channel at 8PM every day, Pacific Standard Time.",
}
A reminder was added to the channel.
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