processReceiptScript

-- This code should be in a 'Script' object within 'ServerScriptService'
local MarketplaceService = game:GetService("MarketplaceService")
local boughtLifeEvent = game.ReplicatedStorage.DiedEvents.boughtLifeEvent

local function processReceipt(receiptInfo)
    -- Find the player who made the purchase in the server
    local player = game:GetService("Players"):GetPlayerByUserId(receiptInfo.PlayerId)
    if player then
        -- Output what product they bought
        print(player.Name .. " just bought " .. receiptInfo.ProductId)
        boughtLifeEvent:FireClient(player)

        -- IMPORTANT: Tell Roblox that the game successfully handled the purchase
        return Enum.ProductPurchaseDecision.PurchaseGranted
    end
end

-- Set the callback (this can only be done once by one script on the server!)
MarketplaceService.ProcessReceipt = processReceipt