Doctrine\ODM\CouchDB\DocumentManager::persist PHP Method

    public function persist($object)
    {
        $this->unitOfWork->scheduleInsert($object);
    }

 /**
  * Updates a group.
  *
  * @param GroupInterface $group
  */
 public function updateGroup(GroupInterface $group, $andFlush = true)
 {
     $this->dm->persist($group);
     if ($andFlush) {
         $this->dm->flush();
     }
 }