API IsUnitOnQuest

Returns whether the passed unit is on the passed quest. 
 IsUnitOnQuest(questIndex, unit) 
----
;Arguments
:;questIndex: - The index of the quest to check for
:;unit: : UnitId
----
;Returns
:;bool
----
;Example
 if IsUnitOnQuest(0, "player") then
 SendChatMessage("i am on my quest", "SAY", "Common", "General")
 end
;Result
 <1. General>Player: "i am on my quest";
----
;Description
*Returns whether the specified unit is on the specified quest. One can use any of the defined UnitId values so long as it refers to a unit in the party or raid.