DDL trigger for no new table in sql server

create database demo
create trigger NoTable
on database
for CREATE_TABLE
AS BEGIN
PRINT 'NO NEW TABLE PLEASE'
ROLLBACK
END
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After executing trigger NoTable
then run 
CREATE TABLE EMPPP(ID INT, NAME VARCHAR(50))
---------
the result will be
------------
NO NEW TABLE PLEASE
Msg 3609, Level 16, State 2, Line 1
The transaction ended in the trigger. The batch has been aborted.