Hi @abhilashpmenon1 ,
Do you want to update the property value within your DataSet control directly?
Is the function that you mentioned a Event Listener function?
Actually, if you use context.webAPI.updateRecord() function to update the record in your Data set control, I think it is not necessary to add the notifyOutputChanged() function in your call function.
Note: I agree with @ScottDurow 's thought almost, the context.webAPI is currently the only option to update record in Dataset control.
When you use the context.webAPI.updateRecord() function to update the record in your Data set control, the underlying data source (e.g. CDS Entity) would be updated automatically. The dataset reference you used in your Data set control would also be refreshed/updated.
Once the dataset reference you used in your Data set control has been refreshed/updated, the updateView() function in your index.ts would be executed automatically, then your Data set control would be updated with latest data records from your underlying data source.
Best regards,