In the first part of this article we introduced Structured Data Types (SDT) and explained their creation. This second part provides a detailed. ttcih.org > Se você der uma carga no SDT sem usar o FromXML, funciona. There are at least two ways to work with collections of Structured Data Types: Define the SDT object as a collection, or; Define the SDT object. The options that are displayed are the different grid renders available on your GeneXus installation. In this way if you have a different grid render you can use it . This implies that if a variable with a list of SDT is received as parameter, and a temporary variable is loaded with an item content, IndexOff will return 0 (empty). To return a new initialized instance of SDT variable. Syntax. &Var = New SDTName(). or. &Var = New() //if rename the SDT, you don't need to.