ABAP_SYNTAX ... WITH PARAMETERS parameter1, parameter2, ...
What does it do? Defines CDS parameters parameter1, parameter2, ... as input parameters of a CDS table function in a comma-separated list. A parameter must be typed with an elementary data type. All data types listed in topic Typing are allowed, except for abap.accp, abap.geom_ewkb, and abap.rawstring . The input parameters of the AMDP function implementation amdp_function specified after IMPLEMENTED BY METHOD are generated from the input parameters specified here. The ABAP data types of the input parameters of the AMDP function implementation are derived from the built-in data types in ABAP Dictionary specified by the typing , in accordance with the associated mapping rules for type references to ABAP Dictionary. In the case of client-dependent CDS table functions, each input parameter with the built-in dictionary type CLNT must be annotated with the annotation @Environment.systemField and the predefined value #CLIENT.
