Maintain a Communication Arrangement for Inbound Communication

In case you want to expose developed ABAP services for technical communication, you are expected to bundle them into a Communication Scenario. This Communication Scenario can then be consumed as a whole by different Communication Systems, represented by Communication Users. The combination of a Scenario, a System and a User is represented by a Communication Arrangement.

1. Open Eclipse and do right click on your system and navigate to Properties.

   

2. Navigate to ABAP Development and copy the System URL.

   

1. Navigate to Maintain Communication User.

   

2. Create a new user by clicking New.

   

1. Enter user name TEST_XXX (where XXX is your group number) and description for your user.

2. Use propose password button since the password has to be 20 characters and save the generated password in a text file for the following exercises.

3. Click Create.

   

1. Navigate back to Home and then to Communication System.

   

2. Create a new communication system by clicking New.

   

1. Add a system ID and system name.

   • System ID: WEBIDE_BASIC_XXX
   • System Name: WEBIDE_BASIC_XXX

2. Click on Create.

A new communication system will be registered.

1. You can retrieve the system host name by right-clicking on your ABAP Cloud Project, selecting Properties from the context menu and clicking on ABAP Development in the hierarchy of properties. Copy the system URL and remove https:// at its beginning.

   

2. Click  + button to add the created communication user for inbound communication. Inbound communication means that the here defined system is used from a communication partner to call from external into the SAP S/4HANA system.

3. Click Save.

   

   

1. Navigate back to Home and then to Communication Arrangement.

   

2. Create a new communication arrangement by clicking New.

   

Select your communication scenario that you created in the last tutorial, Expose a Standard Core Data Service for ABAP Environment, and click on Create.

1. Add your communication system and select the communication user which you created in the first step in this tutorial.

2. Copy this service URL / service interface from created communication arrangement, you will need it in next steps.

3. Click Save.

   The URL from the communication arrangement should look as followed:

   https://<your-system>-api.abap.eu10.hana.ondemand.com/sap/opu/odata/sap/Z_BIND_XXX (where XXX is your group number)

   

1. Paste your service URL in a browser or in Postman.

2. Remove -api from the link.

3. Use the communication user and password.

4. Check if you can connect to the service and there is no error.