Contains the information that uniquely identifies the associated Visual Studio extension deployment package.
<Identifier ID="Package ID">
  <AllUsers>... </AllUsers>
  <Author>... </Author>
  <Description>... </Description>
  <GettingStartedGuide>... </GettingStartedGuide>
  <Icon>... </Icon>
  <InstalledByMSI>... </InstalledByMSI>
  <License>... </License>
  <Locale>... </Locale>
  <MoreInfoUrl>... </MoreInfoUrl>
  <Name>... </Name>
  <PreviewImage>... </PreviewImage>
  <SupportedFrameworkRuntimeEdition>... </SupportedFrameworkRuntimeEdition>
  <SupportedProducts>... </SupportedProducts>
  <SystemComponent>... </SystemComponent>
  <Version>... </Version>
</Identifier>
Attributes and Elements
The following sections describe attributes, child elements, and parent elements.
Attributes
| Attribute | Description | 
|---|---|
| ID | Required. The unique identifier for the extension. This value can be the same in subsequent versions of the extension. | 
Child Elements
| Element | Description | 
|---|---|
| Optional. Boolean value that specifies to install the extension for all users instead of the current user. | |
| Required. Specifies the author of the extension. | |
| Required. Provides a short description of the extension. | |
| Optional. Contains a link to a file or Web site that is to be opened when installation of the extension is complete. Link is a text string. | |
| Optional. String that specifies an icon to represent the extension. | |
| Optional. Boolean value that specifies whether the extension uses a Windows Installer (MSI) installer. | |
| Optional. Specifies whether a license is required, and if so, where the license file is located. | |
| Required. Defines the locale of the extension. | |
| Optional. Link to a Web site that contains additional product information. Link is a text string. | |
| Required. Defines the name of the extension. | |
| Optional. String that specifies the preview image for the extension that displays in Extension Manager. | |
| Required. Specifies the versions of the .NET Framework common language runtime (CLR) that are supported by the extension. | |
| Required. Specifies the versions and editions of Visual Studio that are supported by the extension. | |
| Optional. Boolean value that flags the extension as a system component. | |
| Required. Defines the version number of the extension. | 
Parent Elements
| Element | Description | 
|---|---|
| Required. Provides the root element for a manifest that describes a Visual Studio extension deployment package. | 
Element Information
| Namespace | https://schemas.microsoft.com/developer/vsx-schema/2010 | 
| Schema Name | VSIX Manifest | 
| Validation File | VSIXManifestSchema.xsd | 
| Can be Empty | No |