Create a folder called n00dInteractExample
Create a child of BPC_N00dInteract and move it into n00dInteractExample
Rename this child component to BPC_Interact
Open BP_ThirdPersonCharacter and add BPC_Interact to the components window
With the component selected, in the Class Defaults define the hint text widget. You can also change the trace distance and the UI text here.
On the Event Graph, add an input key and call TryInteract.