Auth0 Update SAML IdP user's name

update_user_name_samlp_rule.js

function (user, context, callback) {
  var ManagementClient = require('auth0@2.9.1').ManagementClient;
  
  let saml_name = `${user.first_name} ${user.last_name}`;
  
  console.log(saml_name);
  user.name = saml_name;
  
 
  var management = new ManagementClient({
    token: auth0.accessToken,
    domain: auth0.domain
  });

  management.users.update({id: user.user_id}, {
    "name": saml_name
    
  }, function (err, users) {
    if (err) {
      // Handle error.
      console.log(err);
      return callback(err);
    }
 
    console.log(user);
    callback(null, user, context);
  });
 
}