Model/Api.php
public function createDictionaryItems($dictionaryId, $params)
    {
        $url = $this->_getApiServiceUri().'dictionary/'.$dictionaryId.'/items';
        $result = $this->_fetch($url, \Zend_Http_Client::PATCH, $params);

        return $result;
    }
public function createDictionaryItems($dictionaryId, $params)
    {
        $url = $this->_getApiServiceUri().'dictionary/'.$dictionaryId.'/items';
        $result = $this->_fetch($url, \Zend_Http_Client::PATCH, $params);

        return $result;
    }
Create dictionary items

@param $dictionaryId
@param $params
@return bool|mixed
@throws LocalizedException