Auto Sampler decay/tails

I've tried a few different patches and configurations and can't seem to capture the decay of a synth patch, no matter how I adjust things. I went to the sample edit and can see the decay is there, but still haven't managed to get it to be present when playing the keygroup.

Anything I'm missing or not understanding? Perhaps it isn't possible due to the 'loop' function to make the keygroups sustain...?

I think you have to set it manually. (That's what I've been doing)

Found it.

Go to --> Program edit ---> keygroup [all] ----> sample play [one shot]

Try that.