setEndpoint('https://[HOSTNAME_OR_IP]/v1') // Your API Endpoint ->setProject('5df5acd0d48c2') // Your project ID ->setKey('919c2d18fb5d4...a2ae413da83346ad2') // Your secret API key ; $databases = new Databases($client, '[DATABASE_ID]'); $result = $databases->createCollection('[COLLECTION_ID]', '[NAME]', 'document', ["role:all"], ["role:all"]);