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ABENBDL_ABSTRACT - BDL ABSTRACT
SUBST_MERGE_LIST - merge external lists to one complete list with #if... logic for R3up PERFORM Short ReferenceThis documentation is copyright by SAP AG.
- CDS Abstract Behavior Definitions
CDS abstract behavior definitions in ABAP CDS are created using the behavior definition language CDS BDL in BDL source code.
A CDS abstract behavior definition mainly serves as typing mechanism for deep action or function parameters. Only a limited range of syntax elements is available, such as associations and type mapping. It is not possible to define any transactional behavior in an abstract behavior definition.
Related Information
- How to use an abstract BDEF as input parameter for a RAP action or a RAP function in a managed or unmanaged RAP BO is described in topic CDS BDL - InputParameter.
- How to use an abstract BDEF as
output parameter for a RAP action or a RAP function in a managed or unmanaged RAP BO is described
in topic CDS BDL - OutputParameter.
Example
The following example shows an abstract BDEF with three nodes that is constructed as hierarchy.
The managed BDEF DEMO_CDS_DEEP_PARAMETER uses the abstract BDEF as action parameter in three actions.
The abstract BDEF is used as flat parameter, as structure, or as table, depending on the keywords used.
- Usage as flat parameter in action a2_from_flat
- Usage as structure in action a2_from_deep
- Usage as table in action a2_from_deep_table
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