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Content Layer ConsiderationsLocate this document in the navigation structure

You can extend the functionality of SAP Fiori X1 and X2 apps by enhancing some of the content layers. The criteria for determining whether or not you need to enhance a layer are described in the following table:

Content Layer

When an Extension is Required

Relevance

Business Suite

The back-end logic and content required for the application enhancement does not exist in the Business Suite.

Extensions in this layer are not covered here. Consult the app-specific documentation.

Gateway

The back-end logic and content required for the app extension exists in the Business Suite layer, but is not exposed in the app's Gateway service.

Extensions in this layer are not covered here in detail. For more information, see Extending the SAP NetWeaver Gateway Layer.

UI

The back-end logic and content required for the app extension exists in the Gateway layer, but is not exposed in the app's UI.

This is covered in detail. See Extending the UI Layer.