Equip a player with enough Driving Dunk and Vertical
Unlock the dunk packages you want in the Animations menu
Equip dunk animations in the Dunk Style Creator
Use the right stick while driving toward the basket
Hold R2/RT while attacking the rim
Use the right stick up for a two-hand dunk
Use the right stick left or right for specific dunk packages
Use the right stick down for flashy or contact attempts if available
Hold the sprint button before takeoff
Drive from a clear angle with space to the rim
Trigger contact dunks when your badges and attributes allow it
Use the dunk meter if you want better control on contact finishes
Avoid defenders directly in front of you unless going for contact dunks
Make sure your stamina is high before attempting dunks
Use alley-oops or fast breaks for easier dunks