[TYPO3] Show content at login

[sandiso ndlangalavu]

Hi List
   
  I have my news page and I would like to show the list only when the user is login. but on that same page, if user is not login should display the message telling him/her to login or register. How can I achieve this? basicly to alternate the news list and my message based on login.
   
  Thanks in advance

 		
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