Welcome Sent message

welcome_sent.js

function (user, context, callback) {
  
  // If the connection isn't email passwordless return
  if (context.connection !== "email") {
    return callback(null, user, context);
  }
      
  if (user.app_metadata && user.app_metadata.welcomeSent) {
    return callback(null, user, context);

  }
  
  // Save the welcomeSent to app_metadata
  user.app_metadata.welcomeSent = true;
  auth0.users.updateAppMetadata(user.user_id, user.app_metadata)
    .then(function(){
      callback(null, user, context);
    })
    .catch(function(err){
      callback(err);
    });
}