Hide waystone under a certain tier

I'm customizing my Loot filter and I wish to hide waystones under tier 9
What rule/line specifies waystone tiers? What do I need to type for the game to understand?

I've tried:

WaystoneTier
AreaLevel
ItemLevel

Neither of them break the filter, but still show under t9 waystones

Ty for help in advance!

This is what I use:

Hide
WaystoneTier < 11
AreaLevel > 77
BaseType "Waystone"


It hides waystones under tier 11 (WaystoneTier < 11) when im doing maps that are tier 14 or higher (AreaLevel > 77)