What is the workflow to import rigify stuff to ue4?

ive been trying to import my character into ue4 for a couple of days now im using the simple rigify rigg i did the most basic animation for test i could and when i import it into ue4 i have like 10 animation files that have 0 animation data in them
WHAT IS THE WORKFLOW TO IMPORT RIGIFY STUFF TO UE4?