| Name | Type | Description | Notes |
|---|---|---|---|
| type | String | An identifier for the channel to which a message was sent to. May include one of "web", "ios", "android", "messenger", "viber", "telegram", "wechat", "line", "twilio", "api", "notification", or any other channel. | [optional] |
| integrationId | String | Identifier indicating which integration the message was sent to. | [optional] |