| Name | Type | Description | Notes |
|---|---|---|---|
| type | String | The author type. Either "user" (representing the end user) or "business" (sent on behalf of the business). | |
| subtypes | [String] | A string array that indicates the author's subtypes. Messages from "business" type with an "AI" subtype are generated by AI and a disclaimer is appended to the text of the message sent to the customer. For third-party channels, the disclaimer is applied for image, file, and text message types. Message with an "activity" subtype are generated by system activities. | [optional] |
| userId | String | The id of the user. Only supported when `type` is user. | [optional] |
| userExternalId | String | The externalId of the user. Only supported when `type` is user. | [optional] |
| displayName | String | The display name of the message author. | [optional] |
| avatarUrl | String | A custom message icon URL. The image must be JPG, PNG, or GIF format. | [optional] |
-
business(value:"business") -
user(value:"user")
-
AI(value:"AI") -
activity(value:"activity")