SMP3.0 WM6.1 Customization

Hi Experts,

     In WM6.1,We have created custom fields for WorkOrder object. To add new WorkOrder form Agentry Client , which steplet/class we need to mention.in the Out-of-box source we have AddWorkOrderSteplet and WorkOrderPostSteplet..what is significance of these classes from java perspective.

Thanks

Mani