xamarin-macios/dotnet/package/Microsoft.iOS.Runtime.iossimulator-arm64/package.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <_PlatformName>iOS</_PlatformName>
    <_RuntimeIdentifier>iossimulator-arm64</_RuntimeIdentifier>
  </PropertyGroup>

  <Import Project="../microsoft.runtime.csproj" />
</Project>