action ably_unregister_all_push_devices { label: "Unregister matching devices for push notifications" description: "Unregisters devices. All their subscriptions for receiving push notifications through channels will also be deleted." provider: ably method: DELETE path: "/push/deviceRegistrations" encoding: json input: { type: "object" properties: { clientId: { type: "string" } deviceId: { type: "string" } } additionalProperties: false } output: { type: "object" additionalProperties: true } }