public function getListEmployeesManager($guid = null, $limit = CAKE_LDAP_SYNC_AD_LIMIT) {
		$result = [];
		if (!$this->hasField('manager_id')) {
			return $result;
		}

		$conditions = [];
		if (!empty($guid)) {
			$conditions[$this->alias . '.' . CAKE_LDAP_LDAP_ATTRIBUTE_OBJECT_GUID] = $guid;
		}
		$fields = [
			$this->alias . '.id',
			$this->alias . '.manager_id',
			$this->alias . '.' . $this->displayField . ' AS name',
		];
		$order = [
			$this->alias . '.id' => 'asc',
		];
		$this->recursive = -1;
		$data = $this->find('all', compact('fields', 'conditions', 'order', 'limit'));
		if (empty($data)) {
			return $result;
		}

		$result = Hash::combine($data, '{n}.' . $this->alias . '.id', '{n}.' . $this->alias);

		return $result;
	}