Won't detect the raygun

block: shederalderalball 5.6666666666 script pic
username=110443&projectname=shederalderalball%206
when you shoot the green teal ball, the custom block won't detect the raygun in the game shederal ball. how can you make the custom block detect the raygun? so when the raygun hit's the ball, you win in the game I made called shederalball. why is this happing? and how can I fix it?