appwrite/docs/examples/1.7.x/server-php/examples/databases/create-relationship-attribute.md

<?php use Appwrite\Client; use Appwrite\Services\Databases; use Appwrite\Enums\RelationshipType; $client = (new Client()) ->setEndpoint('https://.cloud.appwrite.io/v1') // Your API Endpoint ->setProject('') // Your project ID ->setKey(''); // Your secret API key $databases = new Databases($client); $result = $databases->createRelationshipAttribute( databaseId: '', collectionId: '', relatedCollectionId: '', type: RelationshipType::ONETOONE(), twoWay: false, // optional key: '', // optional twoWayKey: '', // optional onDelete: RelationMutate::CASCADE() // optional );