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

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

interface QuickReply {
  content_type: string;
  image_url?: string;
  payload: number | string;
  title: string;
}

export interface MessageBase {
  metadata?: string;
  quickReplies?: QuickReply[];
}