Adding Custom Backend service form fields in SAP_PA

Hi All,
I have defined a rule in the form scenario using a form field in my custom backend service. I want this rule to be used in the operation of the SAP_PA backend service.
In order to use the rule in SAP_PA, the field from the custom backend service(used in the rule definition) has to be assigned to SAP_PA as well. Unfortunately I am not able to assign it.
I have seen SAP delivered from scenarios (S_HR_PA_US_CHG_PERM_ADDR) where they have assigned fields from custom backend service to SAP_PA, Can you please guide me how to acheive this ??
Thanks,
Bharath

Try directly adding the field in the form scenario in the SAP_PA service.
Thanks,
Aravind

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Adding Form fields from Custom backend service in SAP_PA

Hi All,
I have defined a rule in the form scenario using a form field in my custom backend service. I want this rule to be used in the operation of the SAP_PA backend service.
In order to use the rule in SAP_PA, the field from the custom backend service(used in the rule definition) has to be assigned to SAP_PA as well. Unfortunately I am not able to assign it.
I have seen SAP delivered from scenarios (S_HR_PA_US_CHG_PERM_ADDR) where they have assigned fields from custom backend service to SAP_PA, Can you please guide me how to acheive this ??
Thanks,
Bharath

Try directly adding the field in the form scenario in the SAP_PA service.
Thanks,
Aravind

Entering custom backend service in Design Time for Processes and Forms

Hi all,
I am trying to create a form that have 3 fields:
1. pernr
2. ename
3. effective_date
I done all the necessary setup of BADI ,class, interface and form.
However I cannot seem to insert my custom backend service in the Design Time for Processes and Forms workbench (t-code:hrasr_dt).
Currently, I am just using SAP_PA for my backend service which is unable to load the ename into my form. The code in my custom class will not be triggered if I did not use my custom back end service in the Design Time for Processes and Forms.
Whenever I tried using my custom back end service, I will encounter the assertion_failed dump.
Anyone have any idea?
Edited by: Siong Chao on Dec 22, 2010 6:35 AM

Hi Siong Chao,
The filter name you have used in the BADI for your generic service requires to be defined in the Create / Edit Generic Service - Definition.( You can see this on selecting the Back-end services node under Form Scenario definition while using HRASR_DT transaction code)
Once you do that, you can import the fields defined in the Generic service BADI - using the same procedure used in standard SAP backend sevices.
Hope this clarifies. Please let me know if you have any further questions.
Best Regards
G Raj

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Kaosweaver makes an Extension for this. A huge time saver!
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http://www.kaosweaver.com/extensions/details.php?id=77
Nancy O.
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http://alt-web.com/
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F4 help not working in custom backend service for PD form

Dear All,
Iam working with the Create position HCM PD form and i have a requirement to add two fields, one for the company code and the other is for the cost center and then create the relationship betwee the position and the cost center when the form is submitted.
I have defined a generic service and created an enhancement implementation and linked this generic service to the imppementaion. I have written the logic for the F4 help for the fields in the method GET_HELP_VALUES, i have written the scripting for the drop down field in the form to trigger the F4 help in the form.
When the cost center is being passed to the screen, i would then read the value of the cost center in the form workflow and create the relationship between S and K in the workflow as i am unable to achiev this in the design time of the PD form.
But my current problem in that he values are not getting passed from the method to the field on the screen. I have worked on quite a few scenarios for F4 help and doing validations in the implementation in the PA form and i have seen this functionality working fine.
My problem here is that i am unable to understand why the F4 value help is not working in my form. The standard PD service SAP_PD is also being used in the form to have the dropdown values for the account assignment feature.
Could you please suggest me with some clues to fix my issue? i can share more details for further analysis.
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Best regards,
Sridharan

Hi Chris,
Thanks for your inputs. please see my reply to your questions
First....are you sure you have "marked" that field as possible for F4 help?
Reply: Yes
Second...are you populating the help values strictly from that method...ie. not also using do_operations method to do it. If you refer to the documenation, it points out that trying to use both can cause issues.
Reply: i am using only the GET_HELP_VALUES method and nothing written in do_operations.
Third...when you debug your method, do you "see" the help values actually populating and as you say "not coming back to the screen"? I would check this first to make sure that there are actually values being found (ie. the logic within your service is correct).
Reply: i have put the external break-point in this method and when the form in opened for processing by the HR admininstrator,the form openes up and the control is not being sent to the debugger. I have written the scripting in the exit event of the events and scripts as suggested in the SAP help document. SO when i click on the dropdown field in the form, the debugger starts and executes the method and the code executes, then no values are populated on the screen.
Fourth...are you using any generic services for populating help values as well. HCM P&F has a nasty habit of "if one GS fails, they all fail" so often, your service might work fine but an error in another makes yours appear to fail as well....hard to debug and find those kind.
Reply: Yes i am using the generic service mainly for the purpose of F4 help. I do not see any issue with other gneric services as i have implemented a few generic services for PA forms and they are working fine.
Fifth...oops...forgot the obvious one...make sure it isn't a security issue...ie. make sure you have access to read the cost centers you want.
Reply: I dont get any auth error in SU53 while i test the process in R3
Lastly, you said:
"When the cost center is being passed to the screen, i would then read the value of the cost center in the form workflow and create the relationship between S and K in the workflow as i am unable to achiev this in the design time of the PD form."
You actually should be able to do this using an Advanced/Enhanced Generic Service (if this is in fact the step at which you want a true update to occur). Just a thought.
Reply: Could you please give some more information about this, how can i achieve it in advanced generic service.
Appreciate more thougts from you Chris!
Thanks,
Sridharan

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Field values directly binded to backend service are getting cleared.

Hi,
In HCM Forms & Process, for ex: in a form the header field values are directly binded to SAP_PA backend service and rest of the fields (dropdown list and free text fields) are getting from custom generic service. Now there is also a pushbutton in my form is used to calculate percentage of a field. Now when the form is displayed by default the header values are getting populated from SAP_PA backend service. When I click the push button with out selecting values(drop down list) getting from generic service all header field values are getting cleared. But if I select any dropdownlist value before selecting pushbutton and then if I click pushbutton all the header fields are retained with values. I am facing this problem for all the forms that I developed. I am looking for valuable answer.
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Standard backend service data vanishes on click of a button in HCM Forms

Hi,
I have a form which displays data from standard backend service SAP_PA and also from custom generic service.
When I click on a button in the form, the data from SAP_PA is disappearing.
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Hi Aravind,
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Data is from standard backend service which is independent of user events..
Data is displaying for the first time when form is dispalyed on the portal but when user clicks on any button, data is disappearing...
Can you tell us the patch level of the system required for ESS MSS ??
As of now our system patch level is 11,,
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I would like to call a FM using a backend service and return the result of the FM to the HCM form.
I'm using USER_EVENT_CHECK on button to initiate the call.
Here is my dooperations, I have omitted the calling of the FM. I just want to return the changed text to the form in this example.
I have stepped through code using external breakpoint and the field gets changed succesfully in the service_dataset
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DATA service_operation_wa TYPE hrasr00genserv_operation.
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Adding Custom Backend service form fields in SAP_PA

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