---
title: Introduction
framework: developertools
role: article
path: apple-archive/documentation/DeveloperTools/Conceptual/XcodeMappingTool/Introduction
---

# Introduction

Describes the Xcode mapping tool for Core Data.

## Organization of This Document

The document is organized into the following sections:

- [Creating and Updating a Mapping Model](../Articles/xmmMappingTool.html#//apple_ref/doc/uid/TP40006867-SW2) describes how to create and update a mapping model. - [The Mapping Model Pane](../Articles/xmmModelPane.html#//apple_ref/doc/uid/TP40006865-SW1) describes the features of the mapping model tool. - [Displaying Differences Between Models](../Articles/xmmDifferences.html#//apple_ref/doc/uid/TP40006866-SW1) describes how you can show the differences between two mapping models.

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

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