Reference Data Types inside of the Unreal Editor. 

Welcome Unreal Developers
In this video we're going to learn what reference data types are, and what the difference to primitive data types is. We're looking into the available string types (name, string, text) as well as the different possibilities for vectors and create our own data struct and enum inside the unreal engine 4
Unreal Engine - www.unrealengine.com
Blender Foundation - www.blender.org
GIMP - www.gimp.org