to write&activate new Requirement for customr discount condition type k007

Hi Guru's,

how to write and activate new Requirement for customer discount condition type K007 in VOFM.

could please guide me step by step process or if you have any programming language related to this please provide me that would be helpfull to me...

please let me know if my question is not clear..

Thanks in advance and will give full points...

Srinivas.