If you want to use verse:
Take inspiration from some of these functions. Here, some useful functions to manage your teams :)
Especially LMS() to get the winning team and end the round
You can modify OnPlayerEliminated() and use the Result I defined. You can then access the eliminator using
if(Agent:agent = Result.EliminatingCharacter?.GetAgent[]): # Grant agent score code
If you want to use devices:
You should indead use the elimination manager and score manager but there is tutorials for this mechanic on youtube