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Returns table of possible events for a a list typeĮt_Events :The event table is returned with all possible CALLBACK events for the specified list type (column ‘NAME’). t_outtab : internal table with the data to be output It_events : internal table with a list of all possible events of ALV and their corresponding form names.

It_fieldcat : internal table with the list of all fields and their attributes which are to be printed (this table can be populated automatically by the function).

Is_Layout : structure to set the layout of the report.

I_structure name : name of the dictionary table.

I_callback_user_command : routine where the function codes are handled.

I_callback_pf_status_set : routine where a user can set his own pf status or change the functionality of the existing pf status.

This is the function module which prints the data.

ct_fieldcat : an internal table with the type SLIS_T_FIELDCAT_ALV which is declared in the type pool SLIS.

I_inclname : include or the report name where all the dynamic forms are handled.

I_internal_tabname : the internal output table.

Note : Fieldcatalog can be filled manually also by filling up all the required details into the internal table Its enough to mention the table name as a parameter (I_structure_name) in the REUSE_ALV_LIST_DISPLAY. If the output data is from a single dictionary table and all the columns are selected, then we need not exclusively create the field catalog. This function module is used to populate a field catalog which is essential to display the data in ALV. Important function modules in these report are –

Lets look at them in detail – Simple Report To avoid that we can use a concept called ABAP List Viewer (ALV).Įach of these reports provide function modules which help in producing desired output without much effort. To implement these from scratch, a lot of coding effort is to be put. The common desired features of any report are “column alignment”, sorting, filtering, subtotals, totals etc.