How do I enter Virginia 529 contributions? They are tax deductible up to 4K

Where do I enter VA529 contributions. Contributions are deductible up tp 4000. See https://www.virginia529.com/learn/benefits/?ef_id=Cj0KCQiAgomBBhDXARIsAFNyUqP08PyEO0a-NPDUf0dLKzBfEy...