If this welcome message does not have to be a news articles you can call a page's content directly via `printPageContent()`. http://zenpage-functions.maltem.de/zenpage/_zenpage-template-functions.php.html#functionprintPageContent
If you really want to call a specific news articles you would have to use the Zenpage class methods:
`$newsarticle = $current_zenpage->getNewsArticle();`
http://zenpage-functions.maltem.de/zenpage/Zenpage.html#methodgetNewsArticle
That returns an array of the news article called you then can print as you like with for example: `echo $newsarticle['content']`etc.
NOTE: The next version of Zenpage will be slightly reworked regarding the class setup so it this setup will change a little.