How to log response using middleware in aspnetcore Web API

Hi,

I'm trying to log the response via the middleware of an aspnetcore Web API.

The only code I've been able to find to do this is the following

publicclassLogResponseMiddleware{privatereadonly RequestDelegate _next;privatereadonly ILogger _logger;publicLogResponseMiddleware(RequestDelegate next, ILogger logger){
        _next = next;
        _logger = logger;}publicasync Task Invoke(HttpContext context){var bodyStream = context.Response.Body;var responseBodyStream =newMemoryStream();
        context.Response.Body = responseBodyStream;await_next(context);

        responseBodyStream.Seek(0, SeekOrigin.Begin);var responseBody =newStreamReader(responseBodyStream).ReadToEnd();
        _logger.LogInformation($"RESPONSE LOG: {responseBody}");
        responseBodyStream.Seek(0, SeekOrigin.Begin);await responseBodyStream.CopyToAsync(bodyStream);}}

However, I get the error 'Cannot access a closed Stream' on the line 

responseBodyStream.Seek(0, SeekOrigin.Begin);

Does anyone know how to do this?