appwrite/docs/examples/1.6.x/server-nodejs/examples/databases/create-relationship-attribute.md

const sdk = require('node-appwrite');

const client = new sdk.Client() .setEndpoint('https://.cloud.appwrite.io/v1') // Your API Endpoint .setProject('<YOUR_PROJECT_ID>') // Your project ID .setKey('<YOUR_API_KEY>'); // Your secret API key

const databases = new sdk.Databases(client);

const result = await databases.createRelationshipAttribute( '<DATABASE_ID>', // databaseId '<COLLECTION_ID>', // collectionId '<RELATED_COLLECTION_ID>', // relatedCollectionId sdk.RelationshipType.OneToOne, // type false, // twoWay (optional) '', // key (optional) '', // twoWayKey (optional) sdk.RelationMutate.Cascade // onDelete (optional) );