PowerShell/docs/cmdlet-example/project.json

{
    "name": "SendGreeting",
    "description": "Example C# Cmdlet project",
    "version": "1.0.0-*",

    "dependencies": {
        "Microsoft.PowerShell.5.ReferenceAssemblies": "1.0.0-*"
    },

    "frameworks": {
        "netstandard1.3": {
            "imports": [ "net40" ],
            "dependencies": {
                "Microsoft.NETCore": "5.0.1",
                "Microsoft.NETCore.Portable.Compatibility": "1.0.1"
            }
        }
    }
}