Umesh Patil

How to programmatically alter destination email address based on user input in Drupal 8 Webform

You can also folow this article from to achieve same results. I am also going to follow the same but will elaborate more. So that it will be easy to understand.
What do you need to have is one working Drupal 8 custom module. Please follow these guidelines to create one if you do not have already.

Can't start Eclipse - Java was started but returned exit code=13

First of all see if you have installed Java JDK on your system, if not then head to the below link and get it installed, if yes get it reinstalled.

JDK Download

After this try tiy to open Eclspse, it should open by now.

If you still get the same error message, go and change the path variables.

To do so go to the MyComputer->Properties-> And click on Advanced System Settings

It will open "System Properties" window.