Purchase Requisition Document Upload Though Web Service

Hi!
I really hope someone can help me with this one. My client creates purchase requisitions from an external system that interfaces into SAP. In SAP there is functionality to attach documents to a purchase req by choosing "Services for object". However, the client now has a new requirement that they want to upload and attach certain documents to the purchase req from their external system through a web service.
Is this possible? If not, is there another way they can upload the document to SAP? I stumbled upon the following web service: ECC_DOCUMENTCRTRC1. I have not been able to find any documentation on this web service. Can I use this web service for my requirement? If not, what does this web service do and does anyone maybe have some example code where this service is used?
Thank you!
Iwan Ferreira

Hi Iwan,
Where you able to perform this? Dis you find the WS? I'm facing the same situation...
Thanks a lot and best regards!
Maria Margarita

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Edited by: PG on Aug 23, 2010 3:10 PM

>
PG wrote:
> I have following question:
> 1) why we have two seprate BAPI's for changing PR.
BAPI_REQUISITION_CHANGE is the older BAPI, the one based on the older ERP transaction (ME5x family), while BAPI_PR_CHANGE is the newest one, referring to the "recent" Enjoy transaction (ME5xN family).
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>
PG wrote:
> 2) Do we need to use both BAPI's to change PR, depending on what value we are trying to change.
> 3) Is it optional to use any of these two BAPI's
You can use the first or the second one, it's indifferent. The newest one will also trigger user exits from ME5xN family. Which transactions are used by the users on the ERP? Choose with regards to the transactions used during the normal activity.
>
PG wrote:
> Or do we have any other way to implement this PR change process.( Bcoz of when i tried to debug standard PR change process, none of these two BAPI's has been called)
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// This class was generated by the JAXRPC SI, do not edit.
// Contents subject to change without notice.
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More Information
PurchaseOrder.xsd
<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:tns="uri:X" targetNamespace="uri:X">
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               <element name="zipCode" type="string" nillable="false"/>
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<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:tns="uri:X" targetNamespace="uri:X">
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</schema>Abstract.wsdl

<definitions xmlns:tns="urn:poservice" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:ns1="uri:X" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
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<?xml version="1.0" encoding="UTF-8"?>
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xmlns="http://schemas.xmlsoap.org/wsdl/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
targetNamespace="urn:poservice" name="POService">
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