local Players = game:GetService("Players")
local MarketplaceService = game:GetService("MarketplaceService")
local PurchaseHistory = game:GetService("DataStoreService"):GetDataStore("PurchaseHistory")

function onPlayerPurchased (player)
	game:GetService("StarterGui"):SetCore("ChatMakeSystemMessage",{
	Text = ".. player.Name .. " has bought "receiptInfo.PlayerId .. ":" .. receiptInfo.PurchaseId. 
	if PurchaseHistory:GetAsync(playerProductKey) then
	return Enum.ProductPurchaseDecision.PurchaseGranted
	end

	Color = Color3.new(255,255,255);
	Font = Enum.Font.SourceSansBold; 
	FontSize = Enum.FontSize.Size18;
})
end
 
local player = game:GetService("Players"):GetPlayerByUserId(receiptInfo.PlayerId)
if not player then
		return Enum.ProductPurchaseDecision.NotProcessedYet
end
 
	PurchaseHistory:SetAsync(playerProductKey, true)	
	return Enum.ProductPurchaseDecision.PurchaseGranted		
end
end

As a Local script in StarterGUI.

Anonymous

3 comments

0

You can't use DataStores in local scripts

Anonymous#
0

Please properly indent your code. Properly indented code is easier to read and debug.

Anonymous#
0

Also as the comment above stated: You cannot access the DataStoreService from the client or more specifically, a LocalScript.

Anonymous#