rem: } else if (event.GetUnicode() == "DeleteOrMoveMsgFailed") { 
add: else if (eventType == "DeleteOrMoveMsgFailed") 
context:   OnItemEvent: function(folder, event) {    if (event.GetUnicode() == "DeleteOrMoveMsgCompleted") {      HandleDeleteOrMoveMsgCompleted(folder);    }         else if (event.GetUnicode() == "DeleteOrMoveMsgFailed") {      HandleDeleteOrMoveMsgFailed(folder);    }  }
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