example of an NPC static shop script

shop_example.lua

function onTrigger(player,npc)
    player:showText(npc, TEXT_ID_HERE);
    local stock =
    {
        4238,    5000,    -- HQ Fire Crystal
        4239,    5000,    -- HQ Ice Crystal
        4240,    5000,    -- HQ Wind Crystal
        4241,    5000,    -- HQ Earth Crystal
        4242,    5000,    -- HQ Lightning Crystal
        4243,    5000,    -- HQ Water Crystal
        4244,    5000,    -- HQ Light Crystal
        4245,    5000     -- HQ Dark Crystal
    };
    showShop(player, STATIC, stock);
end;