ASP.NET WebAPI - Pass object from Custom Action Filter to Action

Question

As per this question here, ASP.NET MVC Pass object from Custom Action Filter to Action

, (which is for MVC), is there a similar object that we can add items or values to from within

public override void OnActionExecuting(HttpActionContext actionContext)
{
}

, (which is for WebAPI), and access it seconds later in the Controller's action method itself ?

Answer 1

This works:

set data:

public class MyAwesomeFilterAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(HttpActionContext actionContext)
    {
        //add stuff here.. to be accessed later
        actionContext.Request.Properties.Add("myKey69", myValue);

    }       
}   

retrieve data:

[MyAwesomeFilter]
public IHttpActionResult MyController( [FromBody] string myParmStr ) {

    //retrieve the obj you inserted in filter...
    obj myValue = null;
    if (Request.Properties.TryGetValue("myKey69", out myValue)) {
        //logic here...
    }

}