---
schema_version: "1"
id: 7c7c09904a722abeab885e104a6aa0d9597c627208560eb36d977ec60df15835
title: Extension SDK (Rich Notifications)
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud-mobilepush/engagement_sdk/references/ios-sdk-v11/extension-sdk/extension-sdk_index.md
canonical_url: https://developer.salesforce.com/docs/marketing/mobile-unified-sdk/references/engagement-mobile-sdk-reference/extension-sdk_index.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 8c68a4822c3cb47ed7280d6ed6370fbcbfaa773fd90ba6d93fe42b03cb8eaccf
products:
  - Salesforce Engagement SDK
---
# Extension SDK (Rich Notifications)

Notification Service and Content Extensions for rich push notifications

## API Reference

### [Classes](https://developer.salesforce.com/docs/marketing/mobile-unified-sdk/references/engagement-mobile-sdk-reference/classes/extension-sdk_classes_index.md)

2 classes

### [Enumerations](https://developer.salesforce.com/docs/marketing/mobile-unified-sdk/references/engagement-mobile-sdk-reference/enums/extension-sdk_enums_index.md)

2 enumerations