Hi,
I assume youre using the create object action to spawn.
Well there is a box there that says 'store object'.
Create a game object variable in the variable tab and select it in the 'store object' box.
This will save the created game object into that variable.
Then when you want to destroy that gameobject that you just created, in the 'destroy object' action chose the variable you stored into as the game object to destroy.
If you want to destroy it from a different fsm than the one that created it; use global variables. You can also use such actions as 'set/get fsm gameobject' instead of global variables and there are other ways.
Good luck hope this helps.
(edit to add: Hi terri, I didnt see you there. But yeah, nice to see that someone else confirms it, as im just a noob)