How Do I Make An Instrument Using Samples Of Another Instrument?

ive been searching around for a while on the tutorials i cant find sometime that covers it.

i want to cut up an instrument, in this case a breakbeat like an amen break, and use the instrument editor to piece the slices ive taken into an instrument. in all the tutorials they were just using wav files from disk browser and dragging them in but i want to cut up instruments or samples in the instrument tray and make them into my own instruments

hope that’s decipherable