Adding Widget to Grid through blueprints

[Figglophobia]

Hello, I am new to UE4 and I am trying to create a widget then through the blueprint of that widget create another widget and add it to a grid in the first widget. For some reason when I add set the Horizontal and vertical alignment to center I cant see the widget. Please tell me what I am doing wrong.

Thanks so much for any help.

[Max3nce]

Hey use Also the “Event Pre Construct” Event