Instanced items can have perks: benefits that the item bestows.
These are related to DestinySandboxPerkDefinition, and sometimes - but not always - have human readable info. When they do, they are the icons and text that you see in an item's tooltip.
Talent Grids, Sockets, and the item itself can apply Perks, which are then summarized here for your convenience.
- hashCode → int
The hash code for this object. [...]
The list of perks to display in an item tooltip - and whether or not they have
read / write
- runtimeType → Type
A representation of the runtime type of the object.