Custom FUNCTION con MYSQL

[abmcr]

Grazie per la dritta ma non va cque

CREATE FUNCTION CiaoMondo() RETURNS VARCHAR(15) 
BEGIN 
DECLARE result VARCHAR(15);
SET result = 'Ciao Mondo'; 
RETURN result; 
END 

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'VARCHAR(15)' at line 3