First test the feasibility that the enhancement can be done or not.
For finiding the exists in the program :
1> find the program name of the tcode under the status button.
[hope you can do tht]
2> go to table modsap
3> execute it .in the member give <programname> and then execute
4> it will give you the userexits if any .
in the form
...
endform
you can write your own code.
Else you can go for badi also.
1>go to se24
2>give the class name - CL_EXITHANDLER
3>in the methods go to get_instance
4>create a breakpoint in the first call method
5>then run your transaction /nMIR7.
6>it would stop .find the badi's.
7>if you get any as per your requirement ,work upon it .
Friend i am not working anywhere , i am just learning sap-abap.this is what i knew regarding enhancements .
