private function showEndpoints($platformArn, $title = 'List of endpoints:')
{
$result = $this->client->listEndpointsByPlatformApplication(array('PlatformApplicationArn' => $platformArn));
$output = $this->output;
$output->writeln("<comment>{$title}</comment>");
foreach ($result['Endpoints'] as $endpoint) {
$output->writeln($endpoint['EndpointArn']);
$output->writeln("<info>CustomUserData:</info> {$endpoint['Attributes']['CustomUserData']}");
$output->writeln("<info>Enabled:</info> {$endpoint['Attributes']['Enabled']}");
}
}
