src/Browser/BrowserPageElementTrait.php
public function findWithin($pageId, $elementId, $method, $selector) {
    return $this->command('find_within', $pageId, $elementId, $method, $selector);
  }
public function findWithin($pageId, $elementId, $method, $selector) {
    return $this->command('find_within', $pageId, $elementId, $method, $selector);
  }
Find elements within a page, method and selector
@param $pageId
@param $elementId
@param $method
@param $selector
@return mixed