let Run(req: HttpRequestMessage, log: TraceWriter) =
    async {
        log.Info("HttpRequestMessage" + req.ToString())
    ...

HttpRequestMessageMethod: GET, RequestUri: '<null>', Version: 1.1, Content:
<null>, Headers:{ }

{
  "scriptFile": "../WonkTonkLib/wonktonkPostLib.dll",
  "entryPoint": "PutUser.Run",
  "bindings": [
    {
      "authLevel": "anonymous",
      "name": "req",
      "type": "httpTrigger",
      "direction": "in",
      "methods": [
        "post"
      ]
    },
    {
      "name": "res",
      "type": "http",
      "direction": "out"
    }
  ],
  "disabled": false
}