title: How can I read parameter attribute value in web api action filter
body: <p>I've got an API method where the Id parameter is annotated with CacheType attribute</p>
  
  <pre><code>public Object Get([CacheType(CacheTypes.Venue)]int Id)
  {
              ....
  }
  </code></pre>
  
  <p>Can I read the value of the parameter attribute inside of ActionFilterAttribute </p>
  
  <pre><code>public class CacheOutputAttribute : ActionFilterAttribute
  {
     public override void OnActionExecuting(HttpActionContext actionContext)
     {
          //read CacheType value
     }
  }
  </code></pre>