{
  "name": "My Package",
  "extensions": [
    {
      "type": "backofficeEntryPoint",
      "alias": "My.EntryPoint",
      "name": "My Entry Point",
      "js": "/App_Plugins/MyPackage/index.js"
    }
  ]
}

import type { UmbEntryPointOnInit } from '@umbraco-cms/backoffice/extension-api';

export const onInit: UmbEntryPointOnInit = (host, extensionRegistry) => {
  console.log('My package initialized');

  // Register extensions dynamically
  extensionRegistry.register({
    type: 'dashboard',
    alias: 'My.Dashboard',
    name: 'My Dashboard',
    element: () => import('./dashboard.js'),
    meta: {
      label: 'My Dashboard',
      pathname: 'my-dashboard'
    }
  });
};

// Optional cleanup
export const onUnload = () => {
  console.log('My package unloaded');
};