[TYPO3-ttnews] How get Categories of a New for Typoscript

[Christian Hennecke]

Am 20.10.2016 um 18:12 schrieb César Dueñas:
> Hi, I want to get the categories of a single new but the Typoscript:
>
> page.105.data = GP:tx_ttnews|cat
>
> Does not work, the result show cat = 0
>
> I will apreciate your help with this issue

Unless you are navigating categories, this variable will never be set. 
If you have a single news, try retrieving the news ID that way and use 
it to access the record in the database directly.