How to create a field catalogue dynamically?

Hi guys,
 I have to create a field catalogue dynamically. I am creating the internal table dynamcially. It is <fs_dyn_table>. I am passing this to the function module REUSE_ALV_FIELDCATALOG_MERGE.
<fs_dyn_table> contains five fields kunnr, land1, name1, ort01 and telf1 which i am passing from selection screen.
This is how my function module is
CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
 EXPORTING
 i_program_name = sy-repid
 i_internal_tabname = '<FS_DYN_TABLE>'
 i_inclname = sy-repid
 CHANGING
 ct_fieldcat = it_fcat
 EXCEPTIONS
 inconsistent_interface = 1
 program_error = 2
 OTHERS = 3.
I am not getting any values in the internal table it_fcat.
I would like to know if there is any other way to create field catalogue?
Help will be appreciated.
Thanks,
Ibrahim

Hi,
Kindly refer wiki links:
https://www.sdn.sap.com/irj/scn/wiki?path=/display/abap/complete%252bcode%252bfor%252bdynamic%252bfield%252bcatalog%252bcreation
https://www.sdn.sap.com/irj/scn/wiki?path=/display/abap/create%252ban%252balv%252b(%252bUsing%252bOOABAP%252b)with%252bdynamic%252bField-Catalog
Hope they help you.
Regards,
Tarun

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