—Appeal by the defendant from a judgment of the County Court, Nassau County (LaPera, J.), rendered December 21, 1999, convicting him of criminal sale of a controlled substance in the second degree, upon his plea of guilty, and imposing sentence.
Ordered that the judgment is affirmed.
Contrary to the People’s contention, the defendant’s, waiver of his right to appeal was not effective. While there is no “uniform mandatory catechism of pleading” (People v Nixon, 21 NY2d 338, 353, cert denied sub nom. Robinson v New York, 393 US 1067; People v Harris, 61 NY2d 9, 16), a waiver of the right to appeal will not be enforced unless it was knowingly, intelligently, and voluntarily made (see People v Seaberg, 74 NY2d 1, 11). “To facilitate appellate review, the Seaberg opinion urges the trial courts to ensure that the terms and conditions of the agreement, as well as the accused’s understanding of those terms and conditions, are made apparent on the face of the record” (People v Callahan, 80 NY2d 273, 280). Here, the County