How to color code structure elements by floor using Display Rules and Display Styles?

Hi

I am newbie in OBD so may be this is a silly question:

How could I color code structure elements by floor using Display Rules and Display Styles?

Am I wrong or there is no way to associate/links elements to floors?

The only way I found to do this is using reference models by floor and file name for set criteria. Any other idea?

Thank you!

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