code: abstract public function __construct(ConnectionInterface $connection);
  
  	public function listWords($word, $field = null)
  	{
  		$this->where('word','==',$word);
  
  		if (!is_null($field)){
  			$this->scope->listWordsField = $field;
  		}
  		else {
  			$this->scope->listWordsField = '';
  		}
  
  		return $this;
  	}
docs: Set connection access points.
  
  @param  \stdClass  $connection
  @return void