API Object GetParentKey

Returns the key on the parent that references this object.
 parentKey = Object:GetParentKey()
==Returns==
:;parentKey:
==Example==
Sets a parent key and prints the name of the parent key.
local parent = CreateFrame("Frame")
local f = CreateFrame("Frame", nil, parent)
print(f:GetParentKey()) -- nil
f:SetParentKey("hello")
print(f:GetParentKey()) -- "hello"
print(parent.hello == f) -- true
==Patch changes==