For a list of methods for this resource, see the end of this page.

Resource representations

The body of a single MIME message part.

  "attachmentId": string,
  "size": integer,
  "data": bytes
Property name Value Description Notes
attachmentId string When present, contains the ID of an external attachment that can be retrieved in a separate messages.attachments.get request. When not present, the entire content of the message part body is contained in the data field.
data bytes The body data of a MIME message part as a base64url encoded string. May be empty for MIME container types that have no message body or when the body data is sent as a separate attachment. An attachment ID is present if the body data is contained in a separate attachment.
size integer Number of bytes for the message part data (encoding notwithstanding).


Gets the specified message attachment.