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# Safari Extensions Usage

Review how people use your Safari extension.

## Overview

The data in this report contains information about the number of devices on which someone uses an extension and the method of interaction.

- Territories: Worldwide
- Platforms: iOS, iPadOS and macOS.  For more information about iOS and iPadOS, see the Platforms section in [Data Completeness and Corrections](/documentation/Analytics-Reports/data-completeness-corrections).
- Availability:
  - Daily: Every day.
- History: On request, data is available beginning with iOS 17.4, iPadOS 17.4 and macOS 14.4.
- Completeness: Data from devices that contribute to this report can arrive as late as 8 days after the date it generates on device. You can download recent data daily, but it might be incomplete, and data updates incrementally daily, until all late-arriving events are available.
- Privacy:
  - Includes data from users who have opted to share their data with Apple and developers.
  - Individual rows will only appear if they have a value of 5 or more.
- Data Context: You can analyze your data with additional context by comparing it with the data in the [App Sessions Context](/documentation/Analytics-Reports/app-sessions-context) report, which provides a count of unique devices that use your app on a specific day. For example, if your app performed an action detailed in this report on 10 unique devices on a specific day, and the App Sessions Context report shows there were 100 unique devices running your app that day, then you can approximate that 10% of the devices running your app performed that action.

## Report Fields

|Report Field     |Description                                         |Data Type|
|-----------------|----------------------------------------------------|---------|
|Count            |Number of times the event occurred                  |`integer`|
|Territory        |Country or region in which the event occurred       |`string` |
|Date             |Date when the event occurred                        |`string` |
|Platform         |OS version on the device on which the event occurred|`string` |
|Device           |Type of device on which the event occurred          |`string` |
|Build            |Build of device on which event occurred             |`string` |
|Unique Devices   |The count of unique devices                         |`integer`|
|Release Type     |Type of software release                            |`string` |
|Invocation Method|Methods that describe what invokes an extension     |`string` |

## Glossary

|Dimension        |Value          |Definition                                                           |
|-----------------|---------------|---------------------------------------------------------------------|
|Invocation Method|button         |The user has interacted with the extension by clicking its menu item.|
|Invocation Method|scriptInjection|The extension has injected scripts into a webpage.                   |

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