s4:MainPackage

Article
05/07/2024

Description

Specifies the information about the main package which includes name, publisher, version and uri. ProcessorArchitecture and ResourceId are optional attributes of the MainPackage. (s4:MainPackage)

Element Hierarchy

s4:AppInstaller

<s4:MainPackage>

Syntax

<s4:MainPackage     Name = A string with a value between 3 and 50 characters in length that consists of alpha-numeric, period, and dash characters.
    Publisher = A string with a value between 1 and 8192 characters in length that fits the regular expression  of a distinguished name.
    Version = A version string in quad notation, "Major.Minor.Build.Revision" where Major cannot be "0".
    Uri = Web URI as a string between 1 and 2084 characters in length.
    ProcessorArchitecture? = "x86" | "x64" | "arm" | "arm64" | "neutral"
    ResourceId? = An ASCII string between 1 and 30 characters in length.
></s4:MainPackage>

Key

? optional (zero or one)

Attributes

Attribute	Description	Data type	Required
Name	The package name as specified in the identity element in the package manifest. The Name attribute is case-insensitive.	A string with a value between 3 and 50 characters in length that consists of alpha-numeric, period, and dash characters.	Yes
Publisher	The publisher, as specified in the identity element in the package manifest.	A string with a value between 1 and 8192 characters in length that fits the regular expression of a distinguished name.	Yes
Version	The version, as specified in the identity element in the package manifest.	A version string in quad notation, "Major.Minor.Build.Revision" where Major cannot be "0".	Yes
Uri	The Uri to the app package location.	Web URI as a string between 1 and 2084 characters in length.	Yes
ProcessorArchitecture	Describes the architecture of the code contained in the package. A package that includes executable code must include this attribute.	One of the following values: "x86" , "x64" , "arm" , "arm64" , "neutral"	No
ResourceId	Describes the type of UI resources contained in the package. The ResourceId is a publisher-specified string. This string cannot end with a period and cannot be one of these strings: "CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", and "LPT9".	An ASCII string between 1 and 30 characters in length.	No

Parent Elements

Parent Elements	Description
s4:AppInstaller	Defines the root element of an AppInstaller file.

Remarks

Only one of either <MainPackage> or <MainBundle> can be declared in the <AppInstaller> element.

The <MainPackage> element should only be used for app packages (.appx).

Note

The Name, Publisher, Version, ProcessorArchitecture, and ResourceId must match the values in the AppxManifest.xml file specified in the app package Uri.

Requirements

Requirement	Value
`xmlns:s4=http://schemas.microsoft.com/appx/appinstaller/2021`	This namespace is required for features introduced in Windows version 21H2 build 22000
Minimum OS version	Windows version 21H2 build 22000

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