facebook-messenger-api-types/src/components/PersistentMenuItem.d.ts

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

import {Button} from "./buttons/Button";

export type PersistentMenuItem = {
      call_to_actions: PersistentMenuItem[];
      title: string;
      type: 'nested';
    }
  | Button;