I have updated the logic to clear the field during display start event. Note: Updated my logic in readonly.js GUI extension

Function ResetMetadataField()
  //code goes here
   var fieldBuilder = view.properties.fieldBuilder;
   var metadataTab = GetMetadataTab()
     var fieldbuilder = GetMetadataFieldBuilder();
    //logic goes here to reset the metadata field

But this code triggers during Save event as well. I need to reset the field only when component is re-opened but not on Save.

I am unable to differentiate between item re-open and other events like save,check-in..etc Is there a way to achieve the functionality?

  • What are the conditions under which $display is set to true. Is it reset to false before the onSave event is triggered! Have you tried/checked different events to trigger your code off rather than just a parameter? Commented Apr 10, 2022 at 8:55

1 Answer 1


Checkout the event system subscription. You probably need to subscribe to a specific event and not just run code according to a preset parameter.

This may well help as a starter: http://www.tridiondeveloper.com/intro-to-the-event-system

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