VS_USER_PROPS
Sets the user props file to be included in the visual studio C++ project file. The standard path is $(UserRootDir)\\Microsoft.Cpp.$(Platform).user.props, which is in most cases the same as %LOCALAPPDATA%\\Microsoft\\MSBuild\\v4.0\\Microsoft.Cpp.Win32.user.props or %LOCALAPPDATA%\\Microsoft\\MSBuild\\v4.0\\Microsoft.Cpp.x64.user.props.
The *.user.props files can be used for Visual Studio wide configuration which is independent from cmake.
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https://cmake.org/cmake/help/v3.15/prop_tgt/VS_USER_PROPS.html