How to Signal Sql State in Microsoft Sql Server

SQL
1

I have this store procedure.Its only half tough and its written in my sql . How do i write this in MSSql Server? How do i signal an error in the right way in Microsoft Sql Server?


DROP PROCEDURE IF EXISTS Artists_By_Genre;
DELIMITER $$
CREATE PROCEDURE Artists_By_Genre(MusicGenre varchar(20))
BEGIN
       DECLARE checkMusicGenre INT;
    SELECT COUNT(*) INTO checkMusicGenre FROM Music_Types mt WHERE mt.Type = MusicGenre;
    IF checkMusicGenre = 0 THEN SIGNAL SQLSTATE "22003" SET MESSAGE_TEXT = "Genre does not exists!";
    END IF;