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

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

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

export interface GenericMessage extends MessageBase {
  attachment: GenericMessageAttachment;
}