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

require 'appwrite'

include Appwrite include Appwrite::Enums

client = Client.new .set_endpoint('https://cloud.appwrite.io/v1') # Your API Endpoint .set_project('<YOUR_PROJECT_ID>') # Your project ID .set_key('<YOUR_API_KEY>') # Your secret API key

databases = Databases.new(client)

result = databases.create_relationship_attribute( database_id: '<DATABASE_ID>', collection_id: '<COLLECTION_ID>', related_collection_id: '<RELATED_COLLECTION_ID>', type: RelationshipType::ONETOONE, two_way: false, # optional key: '', # optional two_way_key: '', # optional on_delete: RelationMutate::CASCADE # optional )