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What is the principle of SAP S/4HANA key user tool extensibility? aiming at this problem, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible way.

# Reasons of different behavior in "UI and Reports" list

The problem is that the display logic in this UIs and Reports varies from system to system. On GRE210 and XT9/715, only OData is displayed. I debug the foreground and background, and the Usage data returned by the background shows that this extension field, which is done on business context PRODUCT, can be added to view I_PRODUCTWD because its AvailablityCode is Y.

And all my usageTypeCode related to CDS is-- so it's all dropped by filter. If you look at another system, QJ3/500, it shows all the field usage, not just U's. This QJ3/500 is a sandbox system. I hung up today, and I can't go in and look at the code. I just want to ask which one is the behavior of working as designed.

In system A, you can only get 5 entries in UI and Reports list:

In system B, there are much more entries:

How to debug this difference: I see. It is inferred from the code that only the CDS view with X in UI,Report will appear in the tab of Fiori UI. In XT9/715 (S4 on premise), all CDS view related to product are false, so you can't see them. In another S4 on cloud system, the CDS view associated with product is true. So the conclusion is that the behavior of both systems is correct, but because the settings in reigstry are not the same, the things shown in UI list are different in the end.

System 1:

System 2:

The answer to the question about the principle of SAP S/4HANA key user tool extensibility is shared here. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel to learn more about it.

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