Switch on %Name Of Enumerator would do the trick
you can switch on string or integer.
Also there are Select node, which work with a lot of stuff
As wildcard, you can use integer, enumeration or bool, as for selectable variable might be everything, from actor and actor arrays to structures, enumerations and arrays their arrays.
To change selectable type or what type you base of your selection, you need to drag wire from variable to the node. For Array select is tricky, little bit, you need to connect your variable type to option [before][4] return.