DO BEGIN
                    DECLARE error NVARCHAR(100);
                    DECLARE docTotal DECIMAL(18,2);
                    DECLARE Retorno INTEGER;

                    docTotal := 0;
                    Retorno := 1;

                    SELECT MAX(T0."DocTotal") INTO docTotal
                    FROM "IV_C1_Contract" T0 
                    WHERE T0."Id" = @documentId;

                    IF (docTotal > 100.000000) THEN 
                        BEGIN
                            error := 'Valor do contrato excede o total permitido';
                            Retorno := 0;
                        END;
                    END IF;

                    SELECT Retorno, error FROM DUMMY;
                END;