> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zixflow.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Overview of the Zixflow iOS SDK and its modules.

The Zixflow iOS SDK enables you to send data from your iOS app to Zixflow, allowing you to track user behavior, send targeted push notifications, and more.

### SDK Modules

The SDK is organized into independent modules:

* **DataPipelines** (required): Core tracking, user identification, and event tracking
* **MessagingPushAPN**: Apple Push Notification (APNs) support
* **MessagingPushFCM**: Firebase Cloud Messaging (FCM) support
* **Location**: Location tracking capabilities

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For conceptual background on events, users, and attributes, see [Getting Started with Events](/documentation/events/getting-started).