reharding bapi

hi experts,

in my company the pig iron is the main product,suppose for last month we produced 1000MT of pig iron now with the help of co14 ,co11 we will confirm this production under production order manually ,what i want that cant we use any existing BAPI to confirm this production if yes please let me know ,,,i need the bapi for the confirmation of production not how to create the production order......

if possible kindly send me the steps......