Need max summon on this spell

[Matheus Vieira]

function onCastSpell(cid, var)
local dir = getPlayerLookDir(cid)
local pos = getPlayerPosition(cid)

if(dir==1)then
pos.x = pos.x + 1
elseif(dir==2)then
pos.y = pos.y + 1
elseif(dir==3)then
pos.x = pos.x - 1
elseif(dir==0)then
pos.y = pos.y - 1
end
doConvinceCreature(cid, doCreateMonster("Tiger", pos))
return true
end

 

[Printer]

local maxSummon = 1

function onCastSpell(cid, var)
    local playerDirection = getPlayerLookDir(cid)
    local playerPosition = getPlayerPosition(cid)
   
    if #getCreatureSummons(cid) == maxSummon then
        doPlayerSendCancel(cid, "You cannot have more than ".. maxSummon ..".")
        return true
    end
   
    if playerDirection == NORTH
        playerPosition.y = playerPosition.y - 1
    elseif playerDirection == EAST then
        playerPosition.x = playerPosition.x + 1
    elseif playerDirection == SOUTH then
        playerPosition.y = playerPosition.y + 1
    elseif playerDirection == WEST then
        playerPosition.x = playerPosition.x - 1
    end
   
    doConvinceCreature(cid, doCreateMonster("Tiger", playerPosition))
    return true
end

 

[Matheus Vieira]

didnt work, TFS 0.4 here