How to set up an Integer for a Sound Cue Switch Node?

just use go to “Components” ■■■ Audio Component and then in blueprint you should have variable created with that component instance, use it to set soundscue inside it with Set Sound

https://docs.unrealengine.com/latest/INT/API/RuntimeModules/Engine/Components/UAudioComponent/SetSound/index.html

and then use Set Int Parameter to set parameter in cue