[Typo3] Checking login status of FE users?

[Olivier Dobberkau]

Jay Hung wrote:
> Hi, how would I detect the login status from within typoscript?  For
> instance, if a fe user is logged in, I'd like to be able to check a
> boolean flag and do one thing if true else do something else.

Hi Jay.

Conditions?
http://typo3.org/documentation/document-library/doc_core_tsref/loginUser/
[loginUser = *]

Olivier

PS: TSREF is the Source of all TYPO3 Knowledge. Put in under your Pillow... 
:-)