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

import Appwrite import AppwriteEnums

let client = 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

let databases = Databases(client)

let attributeRelationship = try await databases.createRelationshipAttribute( databaseId: "<DATABASE_ID>", collectionId: "<COLLECTION_ID>", relatedCollectionId: "<RELATED_COLLECTION_ID>", type: .oneToOne, twoWay: false, // optional key: "", // optional twoWayKey: "", // optional onDelete: .cascade // optional )