Mailgun\Api\Domain::updateConnection PHP Method

    public function updateConnection($domain, $requireTLS, $noVerify)
    {
        Assert::stringNotEmpty($domain);
        Assert::nullOrBoolean($requireTLS);
        Assert::nullOrBoolean($noVerify);
        $params = [];
        if (null !== $requireTLS) {
            $params['require_tls'] = $requireTLS ? 'true' : 'false';
        }
        if (null !== $noVerify) {
            $params['skip_verification'] = $noVerify ? 'true' : 'false';
        }
        $response = $this->httpPut(sprintf('/v3/domains/%s/connection', $domain), $params);
        return $this->deserializer->deserialize($response, UpdateConnectionResponse::class);
    }