Send verification email if email is not verified

function (user, context, callback) {
   const ManagementClient = require('[email protected]').ManagementClient;
   var emailVerified = user && user.email_verified ? user.email_verified : false; 
  if (!emailVerified) { 
        var management = new ManagementClient({
           token: auth0.accessToken,
           domain: auth0.domain
          });
        var data = {
            user_id: user.user_id
        };
        management.sendEmailVerification(data, function (err, message) {
            if (err) {
                console.log(err);
            }
            console.log(message);
        });
        console.log("executed");
        return callback(new UnauthorizedError('Please Verify your email address.'));
    } else {
        return callback(null, user, context);
    }
}