How to use bulk edit for assigning charms ,SLS DSTs to IOs ?

Dear all,

Kindly can anyone  tell me how to use bulk edit to make DSTs on charms and SLS channels? Further can any one explain how to use bulkedit to assign them to IO CMs. I am planing to to do it via User Defined Format .

I just don't know which fmt files will work for completing this procedure.

Kind Regards

Asim