TFS 1.X+ Mount NPC

[SUMEKAZEKI]

hello, i try to make npc and receive this error:

code:

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)

function onCreatureAppear(cid)            npcHandler:onCreatureAppear(cid)            end
function onCreatureDisappear(cid)        npcHandler:onCreatureDisappear(cid)            end
function onCreatureSay(cid, type, msg)        npcHandler:onCreatureSay(cid, type, msg)        end
function onThink()                npcHandler:onThink()                    end

local function creatureSayCallback(cid, type, msg)
    if not npcHandler:isFocused(cid) then
        return false
    end

    if msgcontains({'donkey'}, msg) then
        npcHandler:say('Do you want to taming a donkey for backpack of apple slices?', cid)
        npcHandler.topic[cid] = 1
                return true
            end

            npcHandler.topic[cid] == 1 then
            if player:setStorageValue(Storage.DonkeyMount, 1) then
                npcHandler:say('You already have a Donkey.', cid)
                return true
            end

            if not player:removeItem(13537, 1)) then
                npcHandler:say('You do not have a bag of apple slices to tamed donkey!', cid)
                return true
            end

            local mountId = {13}
            player:getPosition():sendMagicEffect(CONST_ME_TELEPORT)
            player:addMount(mountId[math.random(#mountId)])
            player:setStorageValue(Storage.DonkeyMount, 1)
            npcHandler:say('I\'ll give you one of our experienced ones. Take care! Look out for low hanging branches.', cid)
        end
        npcHandler.topic[cid] = 0
    elseif msgcontains(msg, 'no') and npcHandler.topic[cid] > 0 then
        npcHandler:say('Then not.', cid)
        npcHandler.topic[cid] = 0
    end
    return true
end

npcHandler:setMessage(MESSAGE_GREET, 'Salutations, |PLAYERNAME| I guess you are here for the {donkey}.')

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())

 

[jestem pro]

in 21 line cannot be == just = (one equal)

 

[Znote]

Fixed syntax error
added "if" before topic 1 check in line 23, also added a check if message contains "yes"
getStorageValue instead of setStorageValue in line 26
added some comments

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)

function onCreatureAppear(cid)            npcHandler:onCreatureAppear(cid)            end
function onCreatureDisappear(cid)        npcHandler:onCreatureDisappear(cid)            end
function onCreatureSay(cid, type, msg)        npcHandler:onCreatureSay(cid, type, msg)        end
function onThink()                npcHandler:onThink()                    end

local function creatureSayCallback(cid, type, msg)
    if not npcHandler:isFocused(cid) then
        return false
    end

    -- If player says donkey, add topic to 1
    if msgcontains({'donkey'}, msg) then
        npcHandler:say('Do you want to taming a donkey for backpack of apple slices?', cid)
        npcHandler.topic[cid] = 1
        return true
    end

    -- If topic is 1 and player says yes
    if npcHandler.topic[cid] == 1 and msgcontains({'yes'}, msg) then

        -- If he already have a donkey, inform him and stop executing
        if player:getStorageValue(Storage.DonkeyMount) == 1 then
            npcHandler:say('You already have a Donkey.', cid)
            return true
        end

        -- If we fail to remove required item, inform him and stop executing
        if not player:removeItem(13537, 1) then
            npcHandler:say('You do not have a bag of apple slices to tamed donkey!', cid)
            return true
        end

        -- Give player his mount 
        local mountId = 13
        player:getPosition():sendMagicEffect(CONST_ME_TELEPORT)
        player:addMount(mountId)
        player:setStorageValue(Storage.DonkeyMount, 1)
        npcHandler:say('I\'ll give you one of our experienced ones. Take care! Look out for low hanging branches.', cid)
        npcHandler.topic[cid] = 0
    
    -- If he says no, reset topic to 0
    elseif msgcontains(msg, 'no') and npcHandler.topic[cid] > 0 then
        npcHandler:say('Then not.', cid)
        npcHandler.topic[cid] = 0
    end
    return true
end

-- Greeting message to NPC
npcHandler:setMessage(MESSAGE_GREET, 'Salutations, |PLAYERNAME| I guess you are here for the {donkey}.')

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())