How to get user.email in server using auth0 and node.js?

@daisha 

To get the user's email from Auth0 in your Node.js server, you need to follow these steps:

1. Set up the Auth0 Management API: You will need to make use of the Auth0 Management API to retrieve user information, including email. You can create an API in the Auth0 dashboard and generate an access token to authenticate your requests.
2. Install the auth0 package: You can use the auth0 npm package to interact with the Auth0 Management API in your Node.js application. You can install the package using the following command:

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npm install auth0

1. Use the Auth0 Management API to fetch user data: Here is an example of how you can get the user's email using the Auth0 Management API in Node.js:

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const ManagementClient = require('auth0').ManagementClient;

const auth0 = new ManagementClient({
  domain: 'YOUR_AUTH0_DOMAIN',
  clientId: 'YOUR_AUTH0_API_CLIENT_ID',
  clientSecret: 'YOUR_AUTH0_API_CLIENT_SECRET',
});

const getUser = async (userId) => {
  try {
    const user = await auth0.getUser({ id: userId });
    console.log('User email:', user.email);
    return user.email;
  } catch (error) {
    console.error(error);
  }
};

getUser('USER_ID');

Replace 'YOUR_AUTH0_DOMAIN', 'YOUR_AUTH0_API_CLIENT_ID', 'YOUR_AUTH0_API_CLIENT_SECRET', and 'USER_ID' with your own Auth0 domain, API client ID, client secret, and the ID of the user whose email you want to fetch.

1. Call the getUser function with the user ID you want to fetch the email for.

By following these steps, you will be able to fetch the user's email from Auth0 in your Node.js server.