Use this function to insert a element to list. Thereby the element value is not processed before the element is inserted. The function demands the following parameters:
%List.Insert(ListName,ElementValue,ElementIndex)
The parameter ElementIndex is the element index. The element index has a range from 0 till (number of elements)-1. If you want to insert the element into last position you can use the word Last instead of an element index.

Examples:
%List.Insert(MyList,%System.Uptime(),3)
%List.Insert(MyList,%System.Uptime(),Last)