Searh BADI for each transaction

1. Go to tcode se93, enter the transection name eg va01 click display button. get the package name.
2. Go to tcode se84->enhancement->Bussiness-addins->definition,enter the package name and execute.

here you get the list of all the enhancement badi's for the given package.

source :https://www.sdn.sap.com/irj/scn/thread?threadID=1360407

other link : https://www.sdn.sap.com/irj/scn/advancedsearch?query=how+to+implement+badi&cat=sdn_all