aspnetcore-tooling/global.json

{
  "tools": {
    "dotnet": "3.0.100-preview3-010280",
    "vs": {
      "version": "16.0",
      "components": [
        "Microsoft.VisualStudio.Component.VSSDK"
      ]
    }
  },
  "sdk": {
    "version": "3.0.100-preview3-010280"
  },
  "msbuild-sdks": {
    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19162.7"
  }
}