---
title: Introduction
framework: preferencesettings
role: article
path: apple-archive/documentation/PreferenceSettings/Conceptual/SettingsApplicationSchemaReference/Introduction
---

# Introduction

Describes the data types for configuring application settings in the Settings application.

## Organization of This Document

Each article in this document describes the keys associated with a particular element of a preferences schema file:

- [Schema File Root Content](../Articles/RootContent.html#//apple_ref/doc/uid/TP40007018-SW1) describes the keys found at the root level of the schema file. - [Group Element](../Articles/PSGroupSpecifier.html#//apple_ref/doc/uid/TP40007009-SW1) describes the keys found in a `PSGroupSpecifier` element. - [Child Pane Element](../Articles/PSChildPaneSpecifier.html#//apple_ref/doc/uid/TP40007017-SW1) describes the keys found in a `PSChildPaneSpecifier` element. - [Toggle Switch Element](../Articles/PSToggleSwitchSpecifier.html#//apple_ref/doc/uid/TP40007012-SW1) describes the keys found in a `PSToggleSwitchSpecifier` element. - [Slider Element](../Articles/PSSliderSpecifier.html#//apple_ref/doc/uid/TP40007013-SW1) describes the keys found in a `PSSliderSpecifier` element. - [Title Element](../Articles/PSTitleValueSpecifier.html#//apple_ref/doc/uid/TP40007015-SW1) describes the keys found in a `PSTitleValueSpecifier` element. - [Text Field Element](../Articles/PSTextFieldSpecifier.html#//apple_ref/doc/uid/TP40007011-SW1) describes the keys found in a `PSTextFieldSpecifier` element. - [Multi Value Element](../Articles/PSMultiValueSpecifier.html#//apple_ref/doc/uid/TP40007016-SW1) describes the keys found in a `PSMultiValueSpecifier` element. - [Radio Group Element](../Articles/RadioGroupElement.html#//apple_ref/doc/uid/TP30915196-SW2) describes the keys found in a `PSRadioGroupSpecifier` element.

[Next](../Articles/RootContent.html)

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