To perform contact dunks in NBA 2K24, you need to meet certain requirements based on your MyPlayer characters attributes. There are four types of contact dunks in the game: two-foot contact dunks, one-foot contact dunks, standing contact dunks, and alley-oop contact dunks. Here are the requirements for each type of contact dunk:

Two-foot Contact Dunk Requirements:

• Small: Driving Dunk 86+, Vertical 85+, Height under 65"
• Pro: Driving Dunk 87+, Vertical 75+
• Elite: Driving Dunk 94+, Vertical 82+

One-foot Contact Dunk Requirements:

• Small: Driving Dunk 93+, Vertical 85+, Height under 6’5”
• Pro: Driving Dunk 89+, Vertical 78+
• Elite: Driving Dunk 96+, Vertical 86+

Standing Contact Dunk Requirements:

• Pro Standing Bigs: Standing Dunk 80+, Vertical 60+, Height at least 6’10”
• Elite Standing Bigs: Standing Dunk 90+, Vertical 75+, Height at least 6’10”

Alley-Oop Contact Dunk Requirements:

• Small: Driving Dunk 86+, Vertical 85+, Height under 65"
• Pro: Driving Dunk 80+, Vertical 70+
• Elite: Driving Dunk 85+, Vertical 80+

Note that some of these requirements have minimum height restrictions, and some are only accessible to players above or below certain heights. To perform contact dunks, you need to equip the appropriate contact dunk package and have the required attributes. Its important to note that these requirements may change in future updates or versions of the game.