title: How to add a request header in Nancyfx?
body: <p>I tried adding this in the bootstrapper in the ApplicationStartup override.</p>
  
  <pre><code>pipelines.AfterRequest.AddItemToStartOfPipeline(ctx =&gt;
  {
    ctx.Request.Headers["x-fcr-version"] = "1";
  });
  </code></pre>
  
  <p>Its giving me errors.</p>
  
  <p>Can anyone point me in the right direction?</p>