appwrite/docs/examples/1.3.x/server-dotnet/examples/databases/create-relationship-attribute.md

using Appwrite; using Appwrite.Services; using Appwrite.Models;

var client = new Client() .SetEndPoint("https://.cloud.appwrite.io/v1") // Your API Endpoint .SetProject("5df5acd0d48c2") // Your project ID .SetKey("919c2d18fb5d4...a2ae413da83346ad2"); // Your secret API key

var databases = new Databases(client);

AttributeRelationship result = await databases.CreateRelationshipAttribute( databaseId: "[DATABASE_ID]", collectionId: "[COLLECTION_ID]", relatedCollectionId: "[RELATED_COLLECTION_ID]", type: "oneToOne");