---
title: Parse Items Tab
description: Parse Items Tab
author: eavena
ms.assetid: bdf3fe0d-404a-4745-af52-f415fa321564
ms.reviewer:
manager: dansimp
ms.author: eravena
ms.pagetype: mdop, appcompat, virtualization
ms.mktglfcycl: deploy
ms.sitesec: library
ms.prod: w10
ms.date: 06/16/2016
---
# Parse Items Tab
The **Parse Items** tab displays the mapping rules that the Sequencer uses to accommodate differences that exist between configurations on the sequencing computer and the App-V Desktop Client. This tab contains the following elements.
## UI Elements List
**Parse From**
Displays read-only variable names evaluated by the Application Virtualization Sequencer to determine important operating system locations on the sequencing computer.
**Parse To**
Displays read-only variable names that the Application Virtualization Sequencer substitutes when encountering variable names in the associated **Parse From** column, while parsing items in the virtual file system or virtual registry.
**Map Type**
Displays read-only mapping rules that the Application Virtualization Sequencer applies to parse items in the virtual file system or virtual registry. One of the following values can occur:
**OK**
Saves the changes and exits the dialog box.
**Cancel**
Exits the dialog box without saving any changes.
**Apply**
Saves the changes and remains in the dialog box.
## Related topics
[Application Virtualization Sequencer Options Dialog Box](application-virtualization-sequencer-options-dialog-box.md)