Hi Kical,
Please find all the User-Exits available :
Enhancement
CONFPS05 PS confirmation: Customer specific enhancements when saving
CONFPS04 PS confirmation: Customer specific input checks 2
CONFPS03 PS confirmation: Customer specific check after op. selection
CONFPS02 PS confirmation: Customer specific input checks 1
CONFPS01 PS confirmation: Determine customer specific default values
CONFPP07 Single Screen Entry: Inclusion of User-Defined Subscreens
CONFPP06 PP Order Confirmations: Actual Data Transfer
CONFPP05 PP order conf.: Customer specific enhancements when saving
CONFPP04 PP order conf.: Customer specific input checks 2
CONFPP03 PP order conf.: Cust. specific check after op. selection
CONFPP02 PP order conf.: Customer specific input checks 1
CONFPP01 PP order conf.: Determine customer specific default values
CONFPM05 PM/SM order conf.: Cust. specific enhancements when saving
CONFPM04 PM/SM order conf.: Customer specific input check 2
CONFPM03 PM/SM order conf.: Cust. spec. check after op. selection
CONFPM02 PM/SM order confirmation: Customer specific input checks 1
CONFPM01 PM/SM order conf.: Determine cust. specific default values
CONFPI06 Process order confirmation: Actual data transfer
CONFPI05 Process order conf.: Cust. spec. enhancements when saving
CONFPI04 Process order conf.: Customer specific input checks 2
CONFPI03 Process order conf.: Cust. spec. check after op. selection
CONFPI02 Process order confirmation: Customer spec. input checks 1
CONFPI01 Process order conf.: Calculate cust.specific default values
CONF0001 Enhancements in order confirmation
Kindly check if any one of these helps.
thanks
Sri