[B_CANSIN]

I couldn't use uber event sound here my code
"uber"
{
"file" "B_CANSIN/invulnerable_on.MP3"
"admin" "0"
"actiononly" "0"
"action" "uber"
"param" "uber"
// Note: If the action is uber, you do not need param
// Prob is assumed 1 or 100% if nothing is provied
}
but when I type uber in chat box it plays but when ubercharge %100 or I pressing ubercharge it won't plays that sound little help?