In this blog post I will share with you some advice and a code example of a custom Umbraco macro parameter I built for a client Umbraco package.
This needed to be able to exclude document types, but the list shown to them needed to be filtered to begin with. By hiding document types that have no templates and by also excluding a predetermined list of document types such as configuration folders etc…
So read on to find out how I achieved it with some help of my colleague Anthony Dang to help debug an issue with it, which I will discuss later on.
