Auth0\SDK\API\Management\Tickets::createEmailVerificationTicket PHP Method

    public function createEmailVerificationTicket($user_id, $result_url = null)
    {
        $body = array('user_id' => $user_id);
        if ($result_url !== null) {
            $body['result_url'] = $result_url;
        }
        $request = $this->apiClient->post()->tickets()->addPath('email-verification')->withHeader(new ContentType('application/json'))->withBody(json_encode($body));
        return $request->call();
    }