UNREAL UE4 - Impossible to add Niagara variables to the DataTables, why? BUGFIX please!

Hi, whenever i add a Niagara variable (actor, component, etc) to my Structure… when i go to my Data Tables… nothing, i have no problema with regular particle system, it does apepar in the Data Tables, but i cant make my struc´s Niagara variables to appear at the Data Table.

I belive its a bug, please fix it or help thorugh a comment.