Starting R/3 Transaction iView with dynamic parameters

Hi,
I looked around here for a while searching an answer but couldn't find one. Excuse me if I overlooked something about this rather simple question (I guess).
I have a BW query iView which displays a list of items, lets say order numbers. I would like to click on this number and open a specific R/3 transaction iView with the given order number processed.
I succesfully implement this iView with the property "application parameters" in the form "XYZ=0012345" and it works. But of course, the order number should be dynamically set. I tried to call the iview via the "NavigationTarget=ROLES:/.../iViewID?XYZ=0012345" etc. which starts the transaction, but the parameter is not recognized.
Thanks for any useful hints.
Uwe

Hi Uwe,
perhaps the Guide:
<a href="http://service.sap.com/~form/sapnet?_SCENARIO=01100035870000000112&_SHORTKEY=00200797470000065927&_OBJECT=011000358700000384062005E&">How To Enable Portal Navigation From BW to PCUI Applications</a>
Gives you some hints.
Regards
Gregor

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