group_open.json

{
  "name": "group_open",
  "desc": "You created a group DM.",
  "long_desc": "My Slack API Start here App features Messagingnew Reference Slack App Directory Authentication Keep in touch Resources Community You created a group DM Compatibility: RTM Events API The group_open event is sent to all connections for a user when a group Direct Message (or mpim) is opened by that user. This event is not available to bot user subscriptions in the Events API.",
  "required_scope": "RTM",
  "example": {
    "type": "group_open",
    "user": "U024BE7LH",
    "channel": "G024BE91L"
  }
}