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chatMessageAttachment resource type

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Namespace: microsoft.graph

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Represents an attachment to a chat message entity.

An entity of type chatMessageAttachment is returned as part of the Get channel messages API, as a part of chatMessage entity.

Properties

Property Type Description
id string Read-only. The unique id of the attachment.
contentType string The media type of the content attachment. It can have the following values:
  • reference: Attachment is a link to another file. Populate the contentURL with the link to the object.
  • Any contentType that is supported by the Bot Framework's Attachment object.
  • application/vnd.microsoft.card.codesnippet: A code snippet.
  • application/vnd.microsoft.card.announcement: An announcement header.
contentUrl string The URL for the content of the attachment.
content string The content of the attachment. If the attachment is a rich card, set the property to the rich card object. This property and contentUrl are mutually exclusive.
name string Name of the attachment.
teamsAppId string The ID of the Teams app that is associated with the attachment. The property is used to attribute a Teams message card to the specified app.
thumbnailUrl string The URL to a thumbnail image that the channel can use if it supports using an alternative, smaller form of content or contentUrl. For example, if you set contentType to application/word and set contentUrl to the location of the Word document, you might include a thumbnail image that represents the document. The channel could display the thumbnail image instead of the document. When the user selects the image, the channel would open the document.

JSON representation

The following JSON representation shows the resource type.

{
  "id": "string (identifier)",
  "contentType": "string",
  "contentUrl": "string",
  "content": "string",
  "name": "string",
  "teamsAppId": "string",
  "thumbnailUrl": "string"
}