Selecting single property value from non-editable list

In this case you can choose one of the predefined values.

To select a property value from the non-editable predefined list

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1. Click an appropriate property value cell.
2. In the drop-down list, select the value.
   

To remove a property value selected from the non-editable predefined list

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1. Click an appropriate property value cell.
2. In the drop-down list, select <UNSPECIFIED>.