How to maintain CL02 for class 017

Hi Expert's,

We have to define class and class type for the Document  type DRW. can any one please let me know how could we maintain the settings in CL02 for class and class type and also please explain which fields we have to maintain under basic data and additional data.

Please explain how could i maintain entry for class type 017.

Many Thanks,

Aniruddha