or even better,
onactivate>self>firerelay
onrelay>self>firerelay
onrelay>self>spawnprojectile[projectile] [ 0][ 0][ 0][1][1][1]
onactivate>self>toggleeventsenabled[0 1]
i'm doing that from memory, see if it works? the onactivate you can change to most any input