I am trying to add a postback double click on a event in the Scheduler and this happens

This action type is not supported: CLK:

[NotSupportedException: This action type is not supported: CLK:]
DayPilot.Web.Ui.DayPilotScheduler.ExecuteEventJSON(String ea) +6246
DayPilot.Web.Ui.DayPilotScheduler.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +129
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +37
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +292
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4176