How to pass data of a configurable form into the options of a dropdown element?

How to display the data of a configurable form into the options of a dropdown element of a second form.

Example.

Form1: In a configurable list people can fill in their name and email. 
Form2: In the options of a dropdown element a name (from form 1) can be selected.  So the options of the dropdown element should be automatic been added.

Thanks in advance for a solution.

Unfortunately, it is not possible to pass data from the Configurable List Widget of Form#1 to the Options of a Dropdown element on Form#2.

Dropdown element options cannot be added dynamically.

You can pass data from one form to another if you using the default form elements.

Complete Guide: How to Automatically Pass Form Data to Another Form