Automatic user customizable widget list

Hello, as the Titel say’s i want that my user’s can Customize 4 text-boxes and that Presse a button,
Than the text should get saved and displayed in a list on another visible widget.
I tried it with a Datatable but you cant Customize it than… please help me :confused:
Btw. Sry for my bad english… i’m 16 yo and from germany. That’s my Favorit hobby and i’m doing it now for around 2 year’s.

Yours truly,