public function processRequestToken($token) {
        // Setup the params
        $params = [
            'client_id'     => $this->clientID,
            'client_secret' => $this->secret,
            'code'          => $token,
            'grant_type'    => 'authorization_code',
            'redirect_uri'  => $this->redirectURI
        ];

        // Parse the cURL result
        return CURL::post($this->url, $params);
    }