DataSift\Storyplayer\BrowserLib\BaseElementAction::retrieveElement PHP Method

    protected function retrieveElement($methodName, $methodArgs)
    {
        // we need to know which element they want
        $words = $this->convertMethodNameToWords($methodName);
        $indexType = $this->determineIndexType($words);
        // get all the elements that match
        $elements = $this->retrieveElements($methodName, $methodArgs);
        // reduce the list down to a single matching element
        $element = $this->returnNthVisibleElement($indexType, $elements);
        // all done
        return $element;
    }