setEndpoint('https://.cloud.appwrite.io/v1') // Your API Endpoint ->setProject('') // Your project ID ->setSession(''); // The user session to authenticate with $databases = new Databases($client); $result = $databases->incrementDocumentAttribute( databaseId: '', collectionId: '', documentId: '', attribute: '', value: null, // optional max: null, // optional transactionId: '' // optional );