Why is my polygon clearance rule ignored?

Why is my polygon clearance rule ignored? - English documentation - The Altium Wiki:

Tip:

Use IsNamedPolygon vice inNamedPolygon

Or 

(ObjectKind = 'Poly') And (Name like 'L1_RF_GND')

With wild cards

(ObjectKind = 'Poly') And (Name like '*L1_RF_GND*')

(ObjectKind = 'Poly') And (Name like '*L05_GND*')

Or

Design > Classes > PolygonClasses then use the polygon class in the Rule.

click on image to view

That's it !