[TYPO3] override pi_getLL[foo] via TypoScript

[Jo Schneider]

Hi Folks,

wasn't there a possibility to override the local language frontend 
output via TypoScript?

In the class.tx_myextension_pi1.php there is the code:
$marker['###FOOMARKER###'] = $this->pi_getLL("footext");

Is the a possibility to override it like this?
plugin.tx_myextension.locallang.footext = bla


Best wishes!
Jo