How to use / setup the customer discount

[PakRicard]

(05-11-2012 07:41 PM)phil Wrote:  Well the discount matrix was the successor to the simple discount field which is not used anymore.

The link I was thinking of is below:

http://www.weberp.org/HowTodiscountmatrix

Sorry, I'm not understanding how to use the discount type: For customer X set 15% discount for all our items allways.

How can be done with the matrix? Is there any option for "all" the items?