- $signalReturn = $this->signalSlotDispatcher->dispatch(__CLASS__, 'tablesDefinitionIsBeingBuilt', array('sqlString' => array(), 'extensionKey' => $extensionKey));
- $sqlString = $signalReturn['sqlString'];
+ $signalReturn = $this->signalSlotDispatcher->dispatch(__CLASS__, 'tablesDefinitionIsBeingBuilt', array(array(), $extensionKey));
+ $sqlString = $signalReturn[0];