function addItem (_source, _name, _amount, _meta)
    _meta = meta or {}

    local item_info = items_table[_name]

    if _amount > 0 then
        local user = exports.redemrp:getPlayerFromId(_source)

        local identifier = user.getIdentifier()
        local charid = user.getSessionVar("charid")
        local player_inventory =  inventory_with_data[identifier .. "_" .. charid]
        local player_db_inventory =  inventory_without_data[identifier .. "_" .. charid]

        if item_info.type == "item_standard" then
            if inventory_weight[identifier .. "_" .. charid] + (item_info.weight * _amount) <= 24.0 then
                if player_inventory[_name] then
                    player_inventory[_name].amount = player_inventory[_name].amount + _amount
                    player_db_inventory[_name].amount = player_db_inventory[_name].amount + _amount
                else
                    inventory[identifier .. "_" .. charid][_name] = {name = _name, amount = _amount, meta = _meta, label = item_info.label, description = item_info.description, imgsrc = item_info.imgsrc , weight = item_info.weight, staticData = item_info.staticData}
                    player_db_inventory[_name].amount = _amount
                end
                inventory_weight[identifier .. "_" .. charid] = inventory_weight[identifier .. "_" .. charid] + (item_info.weight * _amount)
            end
        elseif item_info.type == "item_weapon" then
            if inventory_weight[identifier .. "_" .. charid] + item_info.weight <= 24.0 then
                local weaponid = string.format("%03d%04d", math.random(100,999), math.random(0,9999))
                inventory[identifier .. "_" .. charid][_name..weaponid] = {name = _name..weaponid, amount = _amount, meta = _meta, label = item_info.label, description = item_info.description, imgsrc = item_info.imgsrc , weight = item_info.weight, staticData = item_info.staticData}
                player_db_inventory[_name..weaponid].amount = {amount = _amount , meta = _meta}
            end
            inventory_weight[identifier .. "_" .. charid] = inventory_weight[identifier .. "_" .. charid] + item_info.weight
        end
    end
end