The name of the talent tree with the most points, in lower case; undefined without points or talent data.
The race ID (1 Human ... 8 Troll, 95 / 96 Aeolid); undefined when the client does not say.
Has the hunter tamed a pet (stable slot 1 is the current pet)? Undefined when the client does not say.
In a party or a raid.
Is the unit in the player's party or raid? A hidden answer counts as no.
Does the client cast on the unit under the mouse (the mouseover cast option)?
"Alliance" or "Horde"; undefined when the client does not say.