How to Save Fields to Custom Table After Manager Approval in Workflow ?

Hi Abapers,

I have a Scenario.

Step-1:Create a Webdynpro with Vednor Display..

          That means in view1  LIFNR,BUKRS.

          After press on display button go to Next View.

Step-2:In View2 Vendor Details is displayed in table format.

          In the Table Header Create one Button.Name it as SAVE .

          After Press SAVE Button.

Step-3: Workflow Have to start in Backend.

            One Message will come to your SAP Inbox.

             After Press on Approval Button,The Fields which Have been displayed in Table whould be  updated in custom Table.

Now my Query is : How to Save Fields to Custom Table After Manager Approval in Workflow ?

Any body Can suggest you.How to Update Custom Table fields from Webdynpro ?

Yours

Lokesh