appwrite/docs/examples/1.5.x/client-graphql/examples/messaging/create-subscriber.md

mutation { messagingCreateSubscriber( topicId: "<TOPIC_ID>", subscriberId: "<SUBSCRIBER_ID>", targetId: "<TARGET_ID>" ) { _id _createdAt _updatedAt targetId target { _id _createdAt _updatedAt name userId providerId providerType identifier expired } userId userName topicId providerType } }