Cancelling the previous workitem

[Dart, Jocelyn]

Folks, 
Really - if you are 4.6C or above it's better (clarity for developers and business analysts) and considerably quicker (initial development and on-going maintenance, switch on/switch off, etc.) to use a start condition (transaction SWB_COND) which utilises a standard check function module than build your own custom check function module.  Custom check function module these days I treat as a last resort, card up my sleeve if all else fails type of approach. 
Jocleyn 


________________________________

	From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of Maes Steven
	Sent: Thursday,2 June 2005 9:22 PM
	To: SAP Workflow Users' Group
	Subject: RE: Cancelling the previous workitem
	
	

	Hi Amit,

	 

	You can do this in the event linkage. This is where you link the event to a workflow. Here you can enter a check function to decide if you would like to start the WF or not. 

	Transaction SWETYPV.

	 

	Good luck,

	 

	Steven Maes

	 

	
________________________________


	Van: Amit Moghe [mailto:amitpmoghe at rediffmail.com] 
	Verzonden: donderdag 2 juni 2005 13:07
	Aan: sap-wug at mit.edu
	Onderwerp: Cancelling the previous workitem

	 

	Hi Kjetil,
	
	Do you want me to call this function module before the triggering  event is published? 
	
	If yes, then, I am afraid whether I can do that since the event is published by the standard program. Also for a moment even if I have control over publishing the event, how can I restart the same workitem?
	
	If no, then, will you please a bit more elaborate?
	
	I would definitely like to trigger as few workflows as possible since that would reduce my work :))
	
	Thanks & Regards,
	Amit
	
	
	-------------------
	It's a bit late I guess, but I would recommend using a check function instead. Then you prevent starting the second instance by looking for existing workflows related to your purchase order (function SAP_WAPI_WORKITEMS_TO_OBJECT). 
	
	The fewer workflows started, the better - unless your salary depends on the number of started workflows.
	-- 
	Kjetil Kilhavn, Statoil KTJ IT BKS
	
	
	
	________________________________
	
	From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of Amit Moghe
	Sent: 2. juni 2005 10:32
	To: sap-wug at mit.edu
	Subject: AW: Cancelling the previous workitem
	
	
	
	Hi Michael,
	
	  Thanks a lot for the help. It works perfectly...  
	
	Regards,
	Amit
	
	--------
	  Hi Amit,
	
	  You can built a parallel processing in Your workflow, which ends,  
	  if one of the both branches is completed. One branch includes Your 
	  current workflow and the other consits of a Wait Step , which waits 
	  for the event 'CHANGED' of BUS2012.
	
	
	  Best regards
	  Michael Ludwig
	  rku.it GmbH
	
	    -----Ursprüngliche Nachricht-----
	    Von: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] Im Auftrag von Amit Moghe
	    Gesendet: Donnerstag, 2. Juni 2005 08:34
	    An: sap-wug at mit.edu
	    Cc: amitpmoghe at rediffmail.com
	    Betreff: Cancelling the previous workitem
	    
	    
	
	    Hi Workflow Gurus,
	    
	    I am new to workflow and need some help.
	    
	    I have a workflow for which I am using 'CHANGED' event of the business object BUS2012 (Purchase Order) as the triggering event. When a user changes a particular PO, this workflow starts. But before it is completed if there is another change to the same PO, then, one more workitem is started.
	    
	    My requirement is that if there is change to the PO, then, it should delete the previous workitem and start a new workitem. Can you please advise me as to how this can be achieved?
	    
	    Thanks in advance.
	    
	    Regards,
	    Amit
	
	  

	
	
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