Add a column in table control

1. Goto that screen layout and make it change mode.

2. Follow the menu path -> goto-> secondary window-> dictionary/ program fields

3. select the reuired field

4. drag that into your table control , cretes new column

5. Also capture icon in the left side i.e. T for text make that in header area of new field.

6. Double click on this , give some name.

7. Save check activate

CHAIN.
    FIELD ZZ_A.
    FIELD ZZ_B.
    FIELD ZZ_C .
    FIELD ZZ_NEW."The new field
    MODULE ZZ_CUSTOM_LOGIC.
    MODULE SET_UPDATE_FLAG ON CHAIN-REQUEST.
   ENDCHAIN.