SQL (Query with transaction under try and catch)

BEGIN TRY

    BEGIN TRANSACTION

    --Your Set Of Query/Quries Here...

    SELECT 'A QUICK BROWN FOX JUMP OVER THE LAZZY DOG'

    COMMIT TRANSACTION

END TRY

BEGIN CATCH

       RAISERROR('Custom Error Message Here...',16,-1)

    ROLLBACK TRANSACTION

END CATCH