public function postRedemptionRequest($strAccountSlug, array $arrParams) {
        $objWebClient = $this->getWebClient();

        $strUri = $this->getApiUrl() . '/accounts/' . $strAccountSlug . '/redemption-requests';
        $arrHeaders = $this->getHeaders();

        $objRequest = $objWebClient->post($strUri, $arrHeaders, $arrParams);

        $this->objResponse = $objRequest->send();

        return $this->objResponse;
    }