In a .net \"Setup Project\", it is possible to add one or more custom screens in the setup wizard, with fields (e.g. text boxes) where the user can enter additional installa
As per the documentation for CustomActionData regarding passing multiple values:
Multiple values must be separated by a single space: /name1=value1 /name2=value2. If the value has a space in it, it must be surrounded by quotation marks: /name="a value"