aspnetcore/src/ProjectTemplates/SetPackageProperties.targets

<Project>
  <Target Name="SetPackageProperties" BeforeTargets="GenerateNuspec">
    <PropertyGroup>
      <NuspecProperties>
        $(NuspecProperties);
        id=$(PackageId);
        version=$(PackageVersion);
        licenseUrl=$(PackageLicenseUrl);
        iconUrl=$(PackageIconUrl);
        description=$(Description);
        author=$(Authors);
        copyright=$(Copyright);
        tags=$(PackageTags.Replace(';', ' '));
        projectUrl=$(PackageProjectUrl);
        repositoryUrl=$(RepositoryUrl);
        repositoryType=$(RepositoryType);
        repositoryCommit=$(RepositoryCommit);
      </NuspecProperties>
    </PropertyGroup>
  </Target>
</Project>