The basic definition of a business partner role is a business transaction. The attributes of the BP role depend on the particular transaction involved. The data that is available for a transaction also depends on the business partner category.
You can use the business partner role to carry out a business classification of a business partner.
Path to Create BP Role
IMG => Cross-Application Component => SAP Business Partner => Business Partner => Basic Settings => Business Partner Roles => Define BP Roles
Step 1: On the Display IMG screen, Define BP Role.
Step 2: Click on new entries.
Step 3: Fill in fields like BP Role, Title, Description, BP Role Category, and BP View. Click on save.
Step 4- In list we can see the BP role that we have created just now.