// Since the anchor system simply returns constraints, you still need to add them somewhere.
View.AddConstraints(
new[] {
someLabel.TopAnchor.ConstraintEqualTo(TopLayoutGuide.GetBottomAnchor()),
anotherLabel.TopAnchor.ConstraintEqualTo(someLabel.BottomAnchor, 6),
oneMoreLabel.TopAnchor.ConstraintEqualTo(anotherLabel.BottomAnchor, 6),
oneMoreLabel.BottomAnchor.ConstraintGreaterThanOrEqualTo(BottomLayoutGuide.GetTopAnchor(), -10),
}
);