``` renderBlock={(block, activity) => <div>{block}</div>} ``` <img width="844" alt="Screenshot 2023-07-17 at 6 16 39 PM" src="https://github.com/grubersjoe/react-activity-calendar/assets/69431456/cd9b3ad7-b11d-43c2-9251-0f927b89acfe">