{ "name": string, "contentName": string, "contentType": string, "thumbnailUri": string, "downloadUri": string, "source": enum (Source), // Union field data_ref can be only one of the following: "attachmentDataRef": { object (AttachmentDataRef) }, "driveDataRef": { object (DriveDataRef) } // End of list of possible types for union field data_ref. }
Fields
name
string Identifier. Resource name of the attachment.Format: spaces/{space}/messages/{message}/attachments/{attachment}.
contentName
string Output only. The original file name for the content, not the full path.
contentType
string Output only. The content type (MIME type) of the file.
thumbnailUri
string Output only. The thumbnail URL which should be used to preview the attachment to a human user. Chat apps shouldn't use this URL to download attachment content.
downloadUri
string Output only. The download URL which should be used to allow a human user to download the attachment. Chat apps shouldn't use this URL to download attachment content.
source
enum (Source) Output only. The source of the attachment.
Union field data_ref. The data reference to the attachment. data_ref can be only one of the following:
attachmentDataRef
object (AttachmentDataRef) Optional. A reference to the attachment data. This field is used to create or update messages with attachments, or with the media API to download the attachment data.
driveDataRef
object (DriveDataRef) Output only. A reference to the Google Drive attachment. This field is used with the Google Drive API.
string Optional. The resource name of the attachment data. This field is used with the media API to download the attachment data.
attachmentUploadToken
string Optional. Opaque token containing a reference to an uploaded attachment. Treated by clients as an opaque string and used to create or update Chat messages with attachments.