How to make a Kontakt lib.

Hi. I have seen other people who make a kontakt insturment from scracth. Is there any documentation on that out there?
I have sampled an old organ, and would normally use reaktor to make the virtual version of it, but the sampler in reaktor cant do xfade at loop points, and makes it impossible to make a non clicking version. Here i can do everything i want. Retrigger sounds etc (yes. that is a function of the organ). But on the other hand i get no sample x fade etc.

Kontakt seems better for the sample loop point settings, but far less complex when it comes to retriggering etc.. Is there a way to get around this in reaktor (the sample problem) or is there a walkthrough to show how i can do stuff in kontakt?
Thanks.

 

Bump

 

Reading Kontakt's manual seems like a good start, then you should be able to find a bunch of tutorials on Youtube too...