Return the max XP of a "unit" - only seems to work with "player".

XP = UnitXPMax("unit")

Parameters

Arguments

("unit")

unit 

String - The UnitId to select as a target.

Returns

XP

XP 

Numeric - Returns the max XP points of the "unit".

Example

XP = UnitXP("player")
XPMax = UnitXPMax("player")
DEFAULT_CHAT_FRAME:AddMessage("Your XP is currently at "..floor( XP / XPMax ).."%."),1,0,0)

Info

DEFAULT_CHAT_FRAME:AddMessage("text",r,g,b)

ScrollingMessageFrame:AddMessage("text",r,g,b,id) 

Valid Frame names:
DEFAULT_CHAT_FRAME
ChatFrame1 - ChatFrame7

UnitXP("unit")

UnitXP("unit") - Returns the number of experience points the specified unit has in their current level.

floor(value)

floor(value) - Returns the floor of value.

Note

This probably works for Hunter pets as well, as they earn XP and level up seperately from the Hunter.