N.Y. Jud. Law § 342
Each of the persons appointed a court officer, attendant or messenger of the supreme court or county court of Kings, Queens or Richmond counties as prescribed in sections one hundred and sixty-eight and two hundred one of this chapter, must attend, from day to day, the terms and sittings, within his county, of the court to which he is assigned, to preserve order, and perform whatever services may be required of him, by the judge presiding thereat. The attendant or messenger of the supreme court in Nassau and Suffolk counties, respectively, appointed as prescribed by section one hundred and sixty-eight of this chapter must attend, from day to day, the terms and sittings of the said court to which he is assigned by the justice or justices by whom he was appointed; to preserve order and perform whatever services may be required of him by the judge presiding thereat; and shall attend at the chambers provided for the justices of said court in said county and perform such other duties thereat, in addition to his duties as court attendant, as may be prescribed by the justice or justices sitting therein.
N.Y. Jud. Law § 342