Face properties for pattern feature

Hi,

I have one extrude and edited property of top face as FACE1 then patterned that extrude to 4 instances.

Wanted FACE1 to be the property for all top faces of patterned instances, but not getting the desired output.

Need all the changes to be with respect to editing in future also like if edited to 3 or 6 instances, properties should adopt as in parent object.

If anyone have idea on this, please help me out.

Thanks in advance.

Regards,

Ravi