Check topic subscriber

declare(strict_types=1);

require 'vendor/autoload.php';

use novu;

$sdk = novu\Novu::builder()
    ->setSecurity(
        'YOUR_SECRET_KEY_HERE'
    )
    ->build();



$response = $sdk->topicsSubscribers->check(
    externalSubscriberId: '<id>',
    topicKey: '<value>'

);

if ($response->topicSubscriberDto !== null) {
    // handle response
}

{
  "_organizationId": "org_123456789",
  "_environmentId": "env_123456789",
  "_subscriberId": "sub_123456789",
  "_topicId": "topic_123456789",
  "topicKey": "my_topic_key",
  "externalSubscriberId": "external_subscriber_123"
}