Start by opening the InteractionInterface blueprint in the InteractionWidget/Blueprints/Interfaces folder then copy the video below.

You can now set your new details in your blueprints using the Set Details 5 function in the Interfaces category in the My Blueprint panel (You may have to click the Default category to see the Set Details 5 function).

To add more Set Details functions just repeat the steps shown above and give the new functions different names like Set Details 6.

Theres more info on adding Interaction Widgets to blueprint and setting their details in the video below.