Insert protected password field to your App Designer App.

HOW TO USE
1. Copy passwordEdit.html file to your App's folder
2. Insert HTML Component to your App. Rename it to 'PasswordHTML'
3. Setup PasswordHTML component to use passwordEdit.html file
4. Create for PasswordHTML component DataChanged callback:

function PasswordHTMLDataChanged(app, event)
password = app.PasswordHTML.Data;
disp(password);
end

EXAMPLE
Examine PasswordEditExample.mlapp