Ref :
http://www.lua.org/manual/5.1/
* Compare
if (left < right) then
elseif (left == right) then
else
end
* Loop
for i = 1, 10, 1 do
end
* Loop for array
for item in expression do
end
* Function definition
function foo()
end
* Print message
print("Hello world!")
** Wow Register
this:RegisterEvent("PLAYER_TARGET_CHANGED")