hi i\'m trying make a setup msi for my application with wix v3 I have a problem about this task; I need a user input that will be stored in my application\'s config file (for ex
You'll need to do three things:
Create a custom property:
...
Add a custom dialog to your Wix UI to capture the user input and store it to a property. This tutorial should help you with that.
In the component that installs your web.config file, use the XmlFile element to update your web.config with the value of your property: