Returns true if the tradeskill being viewed is from a link along with the player's name, nil otherwise.
isLink, playerName = IsTradeSkillLinked()
- isLink - 1 if the tradeskill shown in the UI is from a link (in chat), nil otherwise
- playerName - The name of the player the tradeskill link is for if isLink is 1, nil otherwise.
if not IsTradeSkillLinked() then -- do something with the player's tradeskills end