---
title: Assistant
framework: appintents
role: collectionGroup
role_heading: API Collection
path: appintents/app-schema-domain-assistant
---

# Assistant

Enable people in Japan to launch your voice-based conversational app from the side button of iPhone.

## Overview

Overview The .assistant domain defines a single app intent schema, activate, that registers your app as a side button action on iPhone. This schema is available only in Japan. tip: Xcode generates a template implementation when you type assistant_ and select a schema from the suggestions list. For more information about app schemas, see App schema domains.

## Topics

### Essentials

- [Launching your voice-based conversational app from the side button of iPhone](appintents/launching-your-voice-based-conversational-app-from-the-side-button-of-iphone.md)

### Actions

- [activate](appintents/appschema/assistantintent/activate.md)
- [AppSchema.AssistantIntent](appintents/appschema/assistantintent.md)

## See Also

### Single-purpose domains

- [Visual intelligence](appintents/app-schema-domain-visual-intelligence.md)