user exists for t_code MM06

Hi Experts,

   I have an requirement to delete material for client side ,by using MM06 t_code ,

   I have done flag deletion ,but i would like to add some extra code based  my requirement.

   I have used  'BADI_MATN1' but i was unable to get data.can anyone say any user exits are used in MM06 t_code.

thanks and regards in advance,

Haritha