---
title: Exclusion Item Dialog Box
description: Exclusion Item Dialog Box
author: dansimp
ms.assetid: 5523c6d4-95f2-47af-8c06-3ab18004a207
ms.reviewer: 
manager: dansimp
ms.author: dansimp
ms.pagetype: mdop, appcompat, virtualization
ms.mktglfcycl: deploy
ms.sitesec: library
ms.prod: w10
ms.date: 06/16/2016
---


# Exclusion Item Dialog Box


Use the **Exclusion Item** dialog box to assign or change a mapping rule and to assign or change an expression for exclusion. This dialog box contains the following elements.

**Important**  
Adding files from an excluded directory to the virtual files system is not supported.

 

<a href="" id="exclude-path"></a>**Exclude Path**  
Use to specify variable name that the Application Virtualization Sequencer will exclude if encountered while parsing virtual file system items or virtual registry items.

<a href="" id="mapping-type"></a>**Mapping Type**  
Use to select the mapping rules the Application Virtualization Sequencer will apply to parse items in the virtual file system or virtual registry. One of the following values can occur:

-   VRG—Specifies that this mapping rule applies when parsing an item in the virtual registry.

-   VFS—Specifies that this mapping rule applies when parsing an item in the virtual file system.

-   VRG & VFS—Specifies that this mapping rule applies when parsing an item in either the virtual file system or the virtual registry.

## Related topics


[Sequencer Dialog Boxes](sequencer-dialog-boxes.md)