How to link the values in Dynamic dropdown widget?

hat I don't see in any of the documentation is how to link the values in this dropdown to the selection from a previous dropdown

Unfortunately, there is no specific guide for this widget. However, we'll consider and try to add it to our knowledge base. The instructions are provided in the widget could be of some help you to configure the Dyanmic dropdown widget.

Let us know if you need any further assistance. We will be happy to assist.