item fx tails cutting off short

Hi, I know there is a setting somewhere that controls how long the tail of an item effect goes for after the item has finished the eg make a 20 sec reverb go for 20 secs after a single drum hit item that is only 1 sec long

I have tried playback options like run FX when stopped and run FX for 20000ms after stopped and they have no effect on the item fx tails

can someone please remind me where the settings are for that function
thanks,
woggle

SOLVED - found the setting under Media

item fx tails cutting off short