code: public function permAssign($permid, $permvalue, $permskip = false)
      {
          return $this->getParent()->clientPermAssign($this["client_database_id"], $permid, $permvalue, $permskip);
      }
docs: Adds a set of specified permissions to the client. Multiple permissions can be added by providing
  the three parameters of each permission.
  
  @param  integer $permid
  @param  integer $permvalue
  @param  integer $permskip
  @return void