SWFVISU and parameter passing

[Shai Eyal]

Hi Gurus,
I've developed workflow for WebDynro application (WD for abap). The workflow task is shown in UWL and per SWFVISU definitions it launches the WDA.
Now I'm having problems with parameter passing. For the sake of the example, lets assume the task object is BUS2012 (=purchase order). When calling the WDA I need to pass the PO number to the WDA application. So far, the only DYNPARAM I was able to pass via SWFVISU is "Item.ExternalID". I want to pass the value of container element instead, the one that holds the PO number. Is that possible? what should I put in SWFVISU? is it possible w\o manaully changing the XML?
 
The current workaround is WDA reading the container using Item.ExternalID but that is not that efficient.
 
Thanks in advance,

Shai Eyal
Skype: Shai.Eyal
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