What is Harness:

Harness Defines The Apperiance and Processing Of a Work Object Forms Used In Your Application.

=>Harness Rules are Instances of "Rule-Html-Harness"class And they are Part Of User Interface Category

=>There are Four Types Of Haness In Prpc

1.New

2.Perform

3.Confirm

4.Review

1.New:It Contains Create  Button And New Harness Is  Responsiable  For Creating a Work  Object 

2.Perform:    Perform Harness Contains Submit Button

3.Confirm:    It Is Read Only Formats Just Display's Conformation Message

4.Review:      It Contains a Review Button and It's Read-Only Harness