Platformsh\Cli\Command\Domain\DomainAddCommand::execute PHP Метод

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $this->validateInput($input);
        if (!$this->validateDomainInput($input)) {
            return 1;
        }
        $project = $this->getSelectedProject();
        try {
            $this->stdErr->writeln("Adding the domain <info>{$this->domainName}</info>");
            $result = $project->addDomain($this->domainName, $this->sslOptions);
        } catch (ClientException $e) {
            // Catch 409 Conflict errors.
            $response = $e->getResponse();
            if ($response && $response->getStatusCode() === 409) {
                $this->stdErr->writeln("The domain <error>{$this->domainName}</error> already exists on the project.");
                $this->stdErr->writeln("Use <info>domain:delete</info> to delete an existing domain");
            } else {
                $this->handleApiException($e, $project);
            }
            return 1;
        }
        if (!$input->getOption('no-wait')) {
            ActivityUtil::waitMultiple($result->getActivities(), $this->stdErr, $project);
        }
        return 0;
    }