Coins not given on Dev Product Purchase

Help and Feedback Scripting Support
#21

u must put playerPurchasing not player

#22

I’m fully aware of good coding practices, all my scripts load as fast as they can - if anything they’ve been optimised to load faster. The reality is it is a large piece of code, that has to set up a lot of things. Whilst the main code is 5000 lines, it calls on modules etc as well which doesn’t make it any less intensive.

I’m going to cease the discussion here as its veering off topic.

#23

It doesn’t work. Nothing prints out.

#24

also u need to put this in local script

local marketplaceService = game:GetService("MarketplaceService")
local productID = 1274134792
marketplaceService:PromptProductPurchase(game.Players.LocalPlayer, 1274134792)
#25

Forgot to put the localscript to the post

local marketplaceService = game:GetService("MarketplaceService")
local productID = 1274134792
local player = game.Players.LocalPlayer

script.Parent.Activated:Connect(function()
    marketplaceService:PromptProductPurchase(player, productID)
end)
#26

Roblox already has a premade script that sends Roblox the product purchase information AND provides ways to give the rewards of the purchase. I have tested it and it works perfectly. Here’s the article: Developer Products - In-Game Purchases
Here’s the script:

local MarketplaceService = game:GetService("MarketplaceService")
local DataStoreService = game:GetService("DataStoreService")
local Players = game:GetService("Players")
 
-- Data store for tracking purchases that were successfully processed
local purchaseHistoryStore = DataStoreService:GetDataStore("PurchaseHistory")
 
-- Table setup containing product IDs and functions for handling purchases
local productFunctions = {}
-- ProductId 123123 for a full heal
productFunctions[123123] = function(receipt, player)
	-- Logic/code for player buying a full heal (may vary)
	if player.Character and player.Character:FindFirstChild("Humanoid") then
		-- Heal the player to full health
		player.Character.Humanoid.Health = player.Character.Humanoid.MaxHealth
		-- Indicate a successful purchase
		return true
	end
end
-- ProductId 456456 for 100 gold
productFunctions[456456] = function(receipt, player)
	-- Logic/code for player buying 100 gold (may vary)
	local stats = player:FindFirstChild("leaderstats")
	local gold = stats and stats:FindFirstChild("Gold")
	if gold then
		gold.Value = gold.Value + 100
		-- Indicate a successful purchase
		return true
	end
end
 
-- The core 'ProcessReceipt' callback function
local function processReceipt(receiptInfo)
 
	-- Determine if the product was already granted by checking the data store  
	local playerProductKey = receiptInfo.PlayerId .. "_" .. receiptInfo.PurchaseId
	local purchased = false
	local success, errorMessage = pcall(function()
		purchased = purchaseHistoryStore:GetAsync(playerProductKey)
	end)
	-- If purchase was recorded, the product was already granted
	if success and purchased then
		return Enum.ProductPurchaseDecision.PurchaseGranted
	elseif not success then
		error("Data store error:" .. errorMessage)
	end
 
	-- Find the player who made the purchase in the server
	local player = Players:GetPlayerByUserId(receiptInfo.PlayerId)
	if not player then
		-- The player probably left the game
		-- If they come back, the callback will be called again
		return Enum.ProductPurchaseDecision.NotProcessedYet
	end
	
	-- Look up handler function from 'productFunctions' table above
	local handler = productFunctions[receiptInfo.ProductId]
 
	-- Call the handler function and catch any errors
	local success, result = pcall(handler, receiptInfo, player)
	if not success or not result then
		warn("Error occurred while processing a product purchase")
		print("\nProductId:", receiptInfo.ProductId)
		print("\nPlayer:", player)
		return Enum.ProductPurchaseDecision.NotProcessedYet
	end
 
	-- Record transaction in data store so it isn't granted again
	local success, errorMessage = pcall(function()
		purchaseHistoryStore:SetAsync(playerProductKey, true)
	end)
	if not success then
		error("Cannot save purchase data: " .. errorMessage)
	end
 
	-- IMPORTANT: Tell Roblox that the game successfully handled the purchase
	return Enum.ProductPurchaseDecision.PurchaseGranted
end
 
-- Set the callback; this can only be done once by one script on the server! 
MarketplaceService.ProcessReceipt = processReceipt
#27

OMG I’m so dumb. I put the script in Lighting idk why. It works now. Thanks for helping tho.