?how to hook up jm4 looper thru my rig?

[the crush 36]

I want to hook up my line 6 jm4 looper to my rig but not sure how to do it? I'm running 4 (cm) with digitech rp 1000 thru Randall rm 100 I just want to use the looper to loop i don't want to use any effect or anything from the jm4 just record the sound coming out of my amp, Is this possible? thanks!