local item_id = 6948
-- local menu_id = 1 -- unused

function Item_Hello(event, player, item)
    -- NOTE; THIS IS ALWAYS NEEDED HERE IN PLAYER GOSSIP:
    player:GossipClearMenu()

    player:GossipMenuAddItem(0, "menu 1", 0, 1, 0)
    player:GossipMenuAddItem(0, "menu 2", 0, 2, 0)
    player:GossipSendMenu(1, player, 333) -- Note player and 333, same as in register
end

local function OnSelect(event, player, player, sender, intid, code, menu_id)
    if(intid == 1) then
    player:GossipMenuAddItem(0, "worked 1", 0, 2, 0)
    player:GossipSendMenu(1, player, menu_id) -- can use menu_id or 333 .. or different number too, if you want to register the menu actions to another function
    end

    if(intid == 2) then
    player:GossipMenuAddItem(0, "worked 2", 0, 2, 0)
    player:GossipSendMenu(1, player, menu_id)
    end
    -- Item_Hello(event, player) -- Shows main menu (event is 2)
end

RegisterItemGossipEvent(item_id, 1, Item_Hello)
RegisterPlayerGossipEvent(333, 2, OnSelect) -- GOSSIP_EVENT_ON_SELECT