[Privileged] Enhance sap class with custom event

[michael.mcley@daimler.com]

Julius,

Not really a guru, but here is my $0.02...

Your question as posed is more of a process question than a workflow question.  There are a lot of dependencies that relate to the process that have to be answered before you decide on how to implement a solution.  For example, what if the PO gets cancelled, what if the user really wants to add more quantity or value to the PR, what if the user needs another line item, etc... .  There are a lot of consequences to just forcing a quick solution for all documents that really only solves a narrow range of conditions (that users might be complaining about).  Having said that...

Of course if you have already thought of all this and you have solid processes that support such a change, I can recommend a few of courses of action for you:

1.       There are customizing settings in MM-> Purchasing->Purchase Requisitions->Define Screen layout at Document Level that can be used to force screen fields as hidden, display only, optional, or mandatory.  These settings DO take into account the so-called "release indicator" given to released purchase requisitions and involve sets of "field selection keys".  You will have to read the documentation in SPRO as the use of these keys is bad-ugly to anyone not familiar with how they work (talk to your local purchasing consultant).

2.       A user exit / BAdI for ME52, ME52N, or any other transaction can be used to force whatever you want into place (talk to your local ABAPer)

3.       A quick and dirty would be to modify the workflow to look at say, field EBAN-EBELN for a PO value and not start the workflow if it finds one.  Use the workflow log and transaction SWETYPV to find the event / workflow linkage and of course SWDD / PFTC / etc... to modify the tasks and workflow to suite your needs.

I hope that helps.  We have had similar problems over the years, but due to a variety of reasons, the only action we ever took was to train the help desk on the proper response to the users who are having problems ;-)

Michael McLey
MBUSI - IT Parts & Administration
Mercedes-Benz US International, Inc.
1 Mercedes Drive
Vance, AL 35490
PHONE:  (205) 462 - 5239
EMAIL:   michael.mcley at daimler.com<mailto:michael.mcley at daimler.com>


From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of Julius Morifi
Sent: Tuesday, February 25, 2014 7:06 AM
To: SAP Workflow Users' Group
Subject: RE: [Privileged] Enhance sap class with custom event

Hi Gurus!
I need help or advice on the following. When a PR has been created and released, automatic PO get created and then goods is receipted. My issues is
That I need to Gray out( non-editable) the valuation price on the PR. My user keep changing this price and this triggers the release strategy  again and
It irritates the releaser since the pr was previously done.

Please HELP.

Regards,
Julius.

From: sap-wug-bounces at mit.edu<mailto:sap-wug-bounces at mit.edu> [mailto:sap-wug-bounces at mit.edu] On Behalf Of Srinivas Reddy
Sent: 25 February 2014 02:23 PM
To: SAP Workflow Users' Group
Subject: Re: Enhance sap class with custom event

Hi Claus,

Why not inheritance?
Create a Z class and assign the standard class IHC_CL_UTIL_WORKFLOW as super class to the Z class. Create your event in the Z class.
Any specific reason you want to do this by enhancing the standard class?

On Thu, Feb 20, 2014 at 4:07 PM, Claus Lücking <wug at lucking.dk<mailto:wug at lucking.dk>> wrote:
Hi,

I would like to enhance a SAP standard workflow class (IHC_CL_UTIL_WORKFLOW) with a new custom event. This goes well, but the event does not get status active and thus when I raise the event an exception occurs 'Event CREATED does not exist'.

Is'nt it possible to enhance a standard class in this way? - or where do I set the event as active in the class/enhancement?

Thanks,

Claus.

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Thanks and Regards
Srini..
SAP Technical Consultant


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