The following internal tables must be modified to print or exclude additional fields.

• STRUCTURE_TABLE contains the structure description of the data to be printed and has the structure DFIES
• VALUE_TAB contains the data to be printed and has the structure specfied in the structure table STRUCTURE_TABLE.

The form routine is as follows:

FORM name
DATA: BEGIN OF FTAB occurs 10.
INCLUDE STRUCTURE DFIES.
DATA: END OF FTAB.
*1. Modify structure table ....
*1.1. check whether already done

LOOP AT STRUCTURE_TABLE WHERE.......
EXIT.
ENDLOOP.

*1.2. if not yet done > modify

IF SY-SUBRC.....

* get field information for fields to be added
* modify STRUCTURE_TABLE, e.g. APPEND or DELETE

* modify 2nd value table, e.g. add field contents to the
* lines or delete field contents from the lines
LOOP AT VALUE_TAB.
.......
ENDLOOP.
ENDFORM.