//scroll to 400 pixels down from the top
gsap.to(window, { duration: 2, scrollTo: 400 });

//or to scroll to the element with the ID "#someID"
gsap.to(window, { duration: 2, scrollTo: "#someID" });

//scroll #someID into view with 50 pixels from the top (like a margin)
gsap.to(window, { duration: 2, scrollTo: { y: "#someID", offsetY: 50 } });