facebook-messenger-api-types/src/components/messages/RichMediaMessage.d.ts

Typescript types for the Facebook messenger platform API (https://developers.facebook.com/docs/messenger-platform/reference)

import {MessageBase} from './MessageBase';
import {RichMediaMessageAttachment} from '../attachments/RichMediaMessageAttachment';

export interface RichMediaMessage extends MessageBase {
  attachment: RichMediaMessageAttachment;
}