Save the user input dropdown item permanently and set a call back function to run when dropdown option is selected

Hi,

I am Creating a drop down list (option1,option2,option3,option4) each when selected and press the run button, corresponding .m files are called and executed.

I want the user to add the dropdown option in app (eg: Option5) and run the corresponding .m file.

I am trying the code and is attached below. The problem is I can add dropdown item but how to assign the corresponding .m file to run when i press the run button.

Also, I want to store that dropdown option added newly and the corresponding .m file in the app permanently.

Please help me with this

I am trying this code:

        function AddButtonPushed(app, event)
            new = app.EditField2.Value;
            if ~any(ismember(app.DropDown.Items,new))
                app.DropDown.Items = [app.DropDown.Items new];
            end
        end