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SAP Exchange Infrastructure Tutorials

SAP XI Exercises HTTP to RFC

Exercise 3 – HTTP client to (a)synchronous BAPI -1

•  Import the ZIP file create in the previous step

•  After importing the ZIP file, the 2 XSL mapping programs should show up.

•  Create an interface mapping object

•  Create a new “Interface Mapping” with the name: PO_out__ZBAPI_PO_CREATE

•  Assign the following Message Interfaces and Mappings:

•  Source interface: PurchaseOrder_out

•  Target interface: ZBAPI_PO_CREATE

•  Request Mapping program: POReq__ZBAPI_PO_CREATE_req (type XSL)

•  Response Mapping program: ZBAPI_PO_CREATE_resp__POResp (type XSL).

•  Create “Context Object”. “Context Objects” represent XPath expressions. It is a variable name which can be used to represent a complex (or long) element path in XML. This allows for readability, reusability, and minimizes errors during configuration.

•  Create a new “Context Object” with the name: vendor

•  Give the Context Object, vendor, the following attribute:

•  Reference type: xsd:string

•  Assign ‘vendor' to an XML element in the Message Interface by opening up the Message Interface with the name ‘PurchaseOrder_out'. Click on the tab “Contexts Object” and assign “vendor” to “Vendor” in the “Header”.

Step 3 – Directory

•  In the Integration Directory, we will need to define the Business Service first.

•  Create a new Business Service under your own scenario:

•  Assign a name to the Business Service: “XIWS_web_purchasing_XX”

•  Assign outbound interface name defined in the Integration Repository: “PurchaseOrder_out”.

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