OnActivate>Client>IfVariable [<var:cl:score] [>=] [5000] []
OnVariableTrue>client>additem [Gun]
OnVariableFalse>Client>centerprint [Not enough points, you have <var:cl:score> and it costs 5000!]
Anyways, I did a test with 10000 score, and it executed line 3. not enough points.