Modification of Web Dynpro ABAP ESS application

Hi,
I'm familiar with the modification process of ESS Web Dynpro Java applications using NWDI. However I have to adda button a view in the "Create Expense Report" iView which is a Web Dynpro ABAP application from ERP 6 Ehp3. On the click of this button a pdf report should be shown. The Web Dynpro ABAP application is FITE_EXPENSES.
Can anyone tell me what is the process for modifying ESS WD ABAP code? Do I copy and create a new application and then modify?
I'm not getting any documentation on this on SDN or SAP Help.
Regards

hi,
->You dont have to copy and create new application.
-> You can use Enhancement Framework Technology.
-> Look out for Blogs by Thomas Weiss. They are very useful.
-> Easiest way out to create new button would be as :
     -> Put your application in display mode.
     -> There is button for Enhancement in the tool bar (Spiral shaped).
     -> Press that button and create a new enhancement.
    -> Now add any UI Element you want to add.
     -> In Enhancement Framework we do have some Post Exit and Pre Exit Methods.
    -> Some Enhancement Points are already given by Standard SAP.
   -> You can write the logic there and activate the Enhancement.
Check out this link for basic idea about enhancement.
http://help.sap.com/saphelp_nw04s/helpdata/en/0e/4d3e42fc94aa04e10000000a1550b0/frameset.htm
https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/9cd334f3-0a01-0010-d884-f56120039915
I hope above links will be helpful.
Thanx.

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Hi,
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Message was edited by: Amber Gupta

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@Ruslim Chang
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reward points if helpful

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Modification of Web Dynpro ABAP ESS application

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