Noob help with creating a new function module

Hi everyone,
I'm just learning SAP and trying to integrate a WMS system towards it and I'm losing hair over it hehehe
The scenario is that I want to extract Purchase Order Rows details and that's not a hard thing to do since there are multiple BAPIs that can be invoked, for example BAPI_PO_GETDETAIL.
I'm using .NET Connector 3 to talk to SAP.
The problem however is that I want to see how many articles that have already been delivered into the warehouse using BAPI_GOODSMVT_CREATE. There is no information returned when using BAPI_PO_GETDETAIL that specifies that a Purchase Order Row has a quantity of 30 and that 20 has already been delivered.
That information can be retrieved by using BAPI_GOODSMVT_GETITEMS.
The problem with using BAPI_GOODSMVT_GETITEMS is that it returns all of the rows and I am only interrested in retrieveing the rows with quantity for a specific purchase order.
So i decided to create my own BAPI or Function Module (or whatever it's called) that would take a PO_NUMBER and PO_ITEM and return the quantity of already delivered items. For example if one of the PO Rows (10) has 100 items and there has been 2 partial deliveries of 20 and 30. The function should return the value of 50 because it's the sum of 20 and 30.
My code looks like this:
FUNCTION ZBAPI_GOODSMVT_GETITEMS.
""Local Interface:
*" IMPORTING
*"     VALUE(PO_NUMBER) TYPE BSTNR
*"     VALUE(PO_ITEM) TYPE EBELP
*" EXPORTING
*"     REFERENCE(ENTRY_QNT) TYPE ERFMG
SELECT SUM( MENGE ) INTO ENTRY_QNT FROM MSEG
WHERE
EBELN = PO_NUMBER AND
EBELP = PO_ITEM.
ENDFUNCTION.
The problem is that when i try to Activate it it says:
REPORT/PROGRAM statement missing, or program type is INCLUDE.
What am i missing? Is there an easier way to extract already delivered quantities when extracting PO information?

A document was produced for Designer 7.1 and the principles still apply.
http://partners.adobe.com/public/developer/en/pdf/lc_designer_perf_guidelines.pdf
You can poke around here as well....
http://help.adobe.com/en_US/livecycle/9.0/designerHelp/index.htm
Steve

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Hi Low Soon ,
please check the below links for creating a new function module.
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I did this on CRM ISA 4.0... I used the dev and extension guide as a basis - I think the ISA 5.0 guide has the examples and tutorials in a separate document that can also be downloaded from service.sap.com.
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1. Create RFC enabled function module in backend.
2. Edit file backendobject-config.xml in folder project_root\b2b_z\WEB-INF\xcm\customer\modification:-
[code] <backendobject
 xmlns:isa="com.sapmarkets.isa.core.config"
 xmlns:xi="http://www.w3.org/2001/XInclude"
 xmlns:xml="http://www.w3.org/XML/1998/namespace">
 <configs>
 
 <xi:include
 href="$
Template for backend object in customer projects
Concrete implementation of a backend object
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is used to communicate with the CRM system
@see com.ao.isa.backend.boi.Z_AOFuncBackend#getOrderDeliveryTrackingData(java.lang.String)
Interface used to communicate with a backend object
The purpose of this interface is to hide backend implementation details
from the business objects
Returns a vector of Z_OrderDeliverTracking objects containing data to link
to external delivery tracking websites
@param orderNo The sales order document number
@return A vector of order tracking objects
@return
@return
@return
@return
@return
@param string
@param string
@param string
@param string
@param string
/modification/backendobject-config.xml#xpointer(backendobject/configs/*)"/>
 
 
 
 <config
 isa:extends="../config[@id='crmdefault']">
 <businessObject
 type="Z_AO_Custom"
 name="Z_AO_Custom"
 className="com.ao.isa.backend.crm.Z_AOFuncCRM"
 connectionFactoryName="JCO"
 defaultConnectionName="ISAStateless"/>
 </config>
 </configs>
</backendobject>
[/code]
File com.ao.isa.backend.crm.Z_AOFuncCRM.java looks like this :-
[code] package com.ao.isa.backend.crm;
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import java.util.Vector;
import com.ao.isa.backend.boi.Z_AOFuncBackend;
import com.ao.isa.businessobject.order.Z_OrderDeliveryTrackingItem;
import com.sap.mw.jco.JCO;
import com.sap.mw.jco.JCO.ParameterList;
import com.sapmarkets.isa.core.eai.BackendException;
import com.sapmarkets.isa.core.eai.sp.jco.BackendBusinessObjectBaseSAP;
import com.sapmarkets.isa.core.logging.IsaLocation;
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 extends BackendBusinessObjectBaseSAP
 implements Z_AOFuncBackend
 // initialize logging
 private static IsaLocation log =
 IsaLocation.getInstance(Z_AOFuncCRM.class.getName());
 /* (non-Javadoc)
 public Vector getOrderDeliveryTrackingData(String orderNo)
 Vector urlData = new Vector();
 try
 // get Java representation of function module
 JCO.Function func =
 getDefaultJCoConnection().getJCoFunction(
 "Z_BAPI_CRM_ORDER_TRACKING_URLS");
 // provide export parameters
 ParameterList params = func.getImportParameterList();
 params.setValue(orderNo, "ORDER_NO");
 func.setExportParameterList(params);
 // execute function
 getDefaultJCoConnection().execute(func);
 // get result table
 JCO.Table table =
 func.getTableParameterList().getTable("TRACKING_DATA");
 int numRows = table.getNumRows();
 for (int i = 0; i < numRows; i++)
 // get row
 table.setRow(i);
 // create a new Z_orderdeliverytracking object
 Z_OrderDeliveryTrackingItem trackItem =
 new Z_OrderDeliveryTrackingItem(
 table.getString(0),
 table.getString(1),
 table.getString(2),
 table.getString(3),
 table.getString(4));
 urlData.addElement(trackItem);
 trackItem = new Z_OrderDeliveryTrackingItem();
 return urlData;
 catch (BackendException bex)
 // The following key has to be added to WEB-INF/classes/ISAResources.properties
 // in order to see the exception correctly
 log.config("ao.b2b.order.error.getOrderTrackingURLs", bex);
 return null;
[/code]
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[code] package com.ao.isa.backend.boi;
//package java.ao.com.ao.isa.backend.boi;
import java.util.Vector;
import com.sapmarkets.isa.core.eai.sp.jco.JCoConnectionEventListener;
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[/code]
Whilst file com.ao.isa.businessobject.order.Z_OrderDeliveryTrackingItem.java looks like this:-
[code]
package com.ao.isa.businessobject.order;
// Referenced classes of package com.sapmarkets.isa.businessobject.order:
// PaymentType
public class Z_OrderDeliveryTrackingItem // extends SalesDocument implements OrderData
 private String deliveryDocNo;
 private String goodsIssuedDate;
 private String consignmentNo;
 private String status;
 private String url;
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 public Z_OrderDeliveryTrackingItem(
 String delDocNo,
 String GIDate,
 String consNo,
 String status,
 String url)
 this.setDeliveryDocNo(delDocNo);
 this.setGoodsIssuedDate(GIDate);
 this.setConsignmentNo(consNo);
 this.setStatus(status);
 this.setUrl(url);
 public String getConsignmentNo()
 return consignmentNo;
 public String getDeliveryDocNo()
 return deliveryDocNo;
 public String getGoodsIssuedDate()
 return goodsIssuedDate;
 public String getStatus()
 return status;
 public String getUrl()
 return url;
 public void setConsignmentNo(String string)
 consignmentNo = string;
 public void setDeliveryDocNo(String string)
 deliveryDocNo = string;
 public void setGoodsIssuedDate(String string)
 goodsIssuedDate = string;
 public void setStatus(String string)
 status = string;
 public void setUrl(String string)
 url = string;
[/code]
3. Edit file bom-config.xml in folder project_root\b2b_z\WEB-INF\xcm\customer\modification :-
[code] <BusinessObjectManagers
 xmlns:isa="com.sapmarkets.isa.core.config"
 xmlns:xi="http://www.w3.org/2001/XInclude"
 xmlns:xml="http://www.w3.org/XML/1998/namespace">
 
 <xi:include
 href="$/modification/bom-config.xml#xpointer(BusinessObjectManagers/*)"/>
 
 <BusinessObjectManager
 name="Z_AO-BOM"
 className="com.ao.isa.businessobject.Z_AOBusinessObjectManager"
 />
</BusinessObjectManagers>
[/code]
File com.ao.isa.businessobject.Z_AOBusinessObjectManager.java looks like this:-
[code] package com.ao.isa.businessobject;
// Internet Sales imports
import com.sapmarkets.isa.core.businessobject.management.BOManager;
import com.sapmarkets.isa.core.businessobject.management.DefaultBusinessObjectManager;
import com.sapmarkets.isa.core.businessobject.BackendAware;
Template for a custom BusinessObjectManager in customer projects
public class Z_AOBusinessObjectManager
 extends DefaultBusinessObjectManager
 implements BOManager, BackendAware {
 // key used for the backend object in customer version of backendobject-config.xml
 public static final String CUSTOM_BOM = "Z_AO-BOM";
 // reference to backend object
 private Z_AOFunc mCustomBasket;
constructor
 public Z_AOBusinessObjectManager() {
Method is called by the framework before the session is invalidated.
The implemenation of this method should free any allocated resources
 public void release() {
Returns custom business object
 public Z_AOFunc getCustomBasket() {
 if (mCustomBasket == null) {
 mCustomBasket = new Z_AOFunc();
 assignBackendObjectManager(mCustomBasket);
 return mCustomBasket;
[/code]
And uses file com.ao.isa.businessobject.Z_AOFunc.java which looks like this:-
[code]
package com.ao.isa.businessobject;
// Internet Sales imports
import com.sapmarkets.isa.core.businessobject.BOBase;
import com.sapmarkets.isa.core.businessobject.BackendAware;
import com.sapmarkets.isa.core.eai.BackendObjectManager;
import com.sapmarkets.isa.core.eai.BackendException;
import com.sapmarkets.isa.core.logging.IsaLocation;
// custom imports
import com.ao.isa.backend.boi.Z_AOFuncBackend;
import java.util.Vector;
Template for business object in customer projects
public class Z_AOFunc extends BOBase implements BackendAware
 // initialize logging
 private static IsaLocation log =
 IsaLocation.getInstance(Z_AOFunc.class.getName());
 private BackendObjectManager bem;
 private Z_AOFuncBackend backendAOBasket;
Returns a reference to the backend object. The backend object
is instantiated by the framework.
@return a reference to the backend object
 private Z_AOFuncBackend getCustomBasketBackend()
 if (backendAOBasket == null)
 //create new backend object
 try
 backendAOBasket =
 (Z_AOFuncBackend) bem.createBackendBusinessObject(
 "Z_AO_Custom");
 // the backend object is registered in customer version
 // of backendobject-config.xml using the 'Z_AO_Custom' type
 catch (BackendException bex)
 // The following key has to be added to WEB-INF/classes/ISAResources.properties
 // in order to see the exception correctly
 log.config("ao.b2b.order.error.getOrderTrackingURLs", bex);
 return backendAOBasket;
This method is needed when a business object has a corresponding
backend object.
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 this.bem = bem;
Returns a vector of url links for tracking
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 // the call is delegated to the CRM aware backend object
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[/code]
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[code] 
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 <forward name="success" path="/b2b/order/Z_orderTracking.jsp"/>
 </action>
 <action path="/catalog/Z_displaySVGPage" type="com.ao.isa.catalog.actions.Z_SVGPageAction">
 <forward name="success" path="/catalog/Z_SVG_fs.jsp"/>
 </action> [/code]
Which points at Java file com.ao.isa.order.actions.Z_OrderTrackingAction.java which looks like this :-
[code] package com.ao.isa.order.actions;
// internet sales imports
import com.sapmarkets.isa.core.BaseAction;
import com.sapmarkets.isa.core.UserSessionData;
// struts imports
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
// servlet imports
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
// Internet Sales imports
import com.ao.isa.businessobject.Z_AOBusinessObjectManager;
import java.util.Vector;
This action acts as a template for customer extensions
public class Z_OrderTrackingAction extends BaseAction
This method is called by the ISA Framework when the
action is executed
 public ActionForward doPerform(
 ActionMapping mapping,
 ActionForm form,
 HttpServletRequest request,
 HttpServletResponse response)
 throws ServletException
 // get user session data object
 UserSessionData userSessionData =
 UserSessionData.getUserSessionData(request.getSession());
 // gettting custom BOM
 Z_AOBusinessObjectManager myBOM =
 (Z_AOBusinessObjectManager) userSessionData.getBOM(
 Z_AOBusinessObjectManager.CUSTOM_BOM);
 // get the order number being processed
 String orderDocNumber = request.getParameter("orderNo");
 // pass the order number back to the page
 request.setAttribute("orderNo", orderDocNumber);
 if (orderDocNumber != null)
 // Get a vector of delivery tracking objects from lower layers (Business Object layer =>
 // Business Logic Service Layer)
 Vector trackingTable =
 myBOM.getCustomBasket().getOrderDeliveryTrackingData(
 orderDocNumber);
 String error = "";
 if (trackingTable != null)
 if (trackingTable.size() == 0)
 error = "true";
 else
 error = "false";
 else
 error = "true";
 request.setAttribute("errorMessage", error);
 request.setAttribute("trackingTable", trackingTable);
 return mapping.findForward("success");
[/code]
5. I added the call to the function module for page orderstatusdetail.jsp in folder project_root\b2b_z\b2b\order to display a custom page Z_orderTracking.jsp in the same folder. To do this I added a link into the HTML to call a JavaScript function that passed the current order number to the /b2b/Z_orderTracking.do actionhandler mapped in the config.xml file.
So, in summary! Create an RFC; define business managers for it in the XML files; create a new Strut action and supporting Java class; create all the Java class for the managers.
I hope this makes some sense!
Gareth.

Help in enhancing CRM logon function module

Hello all,
We have a situation where in the past we have allowed the creation of multiple Business Partners sharing the same e-mail address. We are about to close this loophole but we have this as a master data issue for some existing Customers/Business PArtners.
Currently, our CRM Webshop only uses e-mail address and password for login verification (not using Business Partner/Customer number).
We would like to enhance the webshop logon to include customer number as well ie. We want to determine which customer number associated with the ambiguous e-mail address is used. I have attempted to identify which function module is involved by inserting an endless WHILE loop into the following , but none of them seems to be called :
CRM_ICSS_USER_LOGIN
CRM_ISA_IUSER_LOGINr
CRM_ISAI_BP_LOGIN_BPARTNER_GET
CRM_ISA_BP_LOGIN_CHECK
CRM_ISA_LOGIN_R3USER_CHECK
CRM_ISA_IUSER_LOGIN
CRM_ISA_LOGIN_CHECK
CRM_ISAI_BP_LOGIN_BPARTNER_GET
In addition I notice the function SUSR_CHECK_LOGON_DATA can not be enhanced as it's a Basis FM.
I have attempted to look up documentation in SAP Help and not much joy. Can anyone tell me whether I'm barking up the wrong tree and this needs to be addressed by a kernel level function or recommend another place in the standard code ?
Regards,
Gabriel

Hi Pooja,
Please follow the below steps to create a function module :
1. Goto Transaction code : SE37.
2. Create a Function Group first.
   a) From the Menu Bar Choose Goto -> Function groups -> Create group.
   b) Specify the function group name and a short text.
   c) Choose Save.
When you create a new function group, the system automatically creates a main program containing two includes. Like any other programs and includes, you can display them in the Repository Browser.
3. Now create a Function Module.
4. Enter the function's name in the field Function module.
5. Choose Create.
6. In the Enter function group dialog box, enter the function group to which you want to assign the function module.
7. In The Attributes Tab select Remote Enabled Module (since you want a RFC function module ).
8. Give the Import and Export parameters and exceptions(if any).
9. Write the functioning part of the fuction module in the Source code tab.
10. Save and Activate your function Module.
Now go ahead and use your function module where ever you want.
Hope it helps.
Reward if helpful.
Regards
Hemant Khemani

Noob help with creating a new function module

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