/**
  * Method called to associate a Vocabulary object to this object
  * through the Vocabulary foreign key attribute
  *
  * @param      Vocabulary $l Vocabulary
  * @return     void
  * @throws     PropelException
  */
 public function addVocabularyRelatedByCreatedUserId(Vocabulary $l)
 {
     $this->collVocabularysRelatedByCreatedUserId[] = $l;
     $l->setUserRelatedByCreatedUserId($this);
 }