What do the $package and $project params contain in a NuGet install.ps1 script?

powershell visual-studio-2013 nuget nuget-package

In NuGet 2:

$project => EnvDTE.Project - which is the Visual Studio object model for a project.
$package => NuGet.IPackage - the NuGet package.

In NuGet 3:

Note that the $package in NuGet 3 has a fewer properties available so some PowerShell scripts included with existing NuGet packages will not work.

You can always see which .NET Type a PowerShell variable is by using GetType().FullName, e.g.:

Write-Output $project.GetType().FullNameWrite-Output $package.GetType().FullName

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