---
title: App schema base types
framework: appintents
role: collectionGroup
role_heading: API Collection
path: appintents/app-schema-base-types
---

# App schema base types

Types that provide the underlying functionality for app schemas.

## Topics

### Schema types

- [AppSchema](appintents/appschema.md)
- [AppSchemaEnum](appintents/appschemaenum.md)
- [AppSchemaEntity](appintents/appschemaentity.md)
- [AppSchemaIntent](appintents/appschemaintent.md)

### Previous schema types

- [AssistantEnum](appintents/assistantenum.md)
- [AssistantEntity](appintents/assistantentity.md)
- [AssistantIntent](appintents/assistantintent.md)
- [AssistantSchemaEnum](appintents/assistantschemaenum.md)
- [AssistantSchemaEntity](appintents/assistantschemaentity.md)
- [AssistantSchemaIntent](appintents/assistantschemaintent.md)
- [AssistantSchema](appintents/assistantschema.md)
- [AssistantSchemas](appintents/assistantschemas.md)