[EventMetricValue("actionDuration", SummaryFunction.Average, "ms", Caption="Action Duration", Description="The time spent in the Action or Page")] [JsonIgnore()] public Nullable<TimeSpan> ActionDuration {get;}
'Declaration<EventMetricValueAttribute("actionDuration", SummaryFunction.Average, "ms", Caption="Action Duration", Description="The time spent in the Action or Page")> <JsonIgnoreAttribute()> Public ReadOnly Property ActionDuration As Nullable(Of TimeSpan)