Model/Api.php
public function createDictionary($version, $params)
    {
        $url = $this->_getApiServiceUri(). 'version/'. $version . '/dictionary';
        $result = $this->_fetch($url, \Zend_Http_Client::POST, $params);

        return $result;
    }
public function createDictionary($version, $params)
    {
        $url = $this->_getApiServiceUri(). 'version/'. $version . '/dictionary';
        $result = $this->_fetch($url, \Zend_Http_Client::POST, $params);

        return $result;
    }
Create named dictionary for a particular service and version.

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