How can I grant my Developer Product correctly?
Hello! I'm having trouble getting my Developer Product to grant the product, in this case 100000 Points. When I test it in Studio, I can click on my Surface Gui to bring my shop screen up, I click on the product, "Purchase 100000 Points", the screen pops up to confirm the purchase...but then the Points aren't added. I receive this error:
23:22:41.888 - userId is not a valid member of BoolValue
I'm not sure why my userId is not valid, I've seen the script laid out this way elsewhere.
Also, when I do a local server test, my Screen Gui won't appear at all when I click it, same for when I upload my game to Roblox itself and try. Any thoughts?
Here's my code below for the developer product:
01 | local MarketplaceService = game:GetService('MarketplaceService') |
02 | local devproductid = 48677962 -- DevId to Grant 100000 Points |
03 |
04 | MarketplaceService.ProcessReceipt = function(receiptInfo) |
05 | for i, player in ipairs(game.Players:GetChildren()) do |
06 | if player.userId == receiptInfo.PlayerId then |
07 | if receiptInfo.ProductId == devproductid then |
08 |
09 | -- give them the Points |
10 | player.leaderstats.Points.Value = player.leaderstats.Points.Value + 100000 |
11 | end |
12 | end |
13 | end |
14 | return Enum.ProductPurchaseDecision.PurchaseGranted |
15 | end |
And then I have this code inside the Text Button, inside the Frame, inside my Screen Gui inside Starter Gui:
1 | local button = script.Parent |
2 | local devproductid = 48677962 -- 100000 Points |
3 |
4 | button.MouseButton1Click:connect(function() |
5 | game:GetService('MarketplaceService'):PromptProductPurchase(game.Players.LocalPlayer, devproductid) |
6 | end) |
Thank you!
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1 answer
It sounds like you have a bool value located in the Players service for some reason. To fix this, you can use GetPlayers instead:
So change:
1 | for i, player in ipairs(game.Players:GetChildren()) do |
to
1 | for i, player in ipairs(game.Players:GetPlayers()) do |
That will make sure that you only get the players, and not anything else.
You can also simplify this even further by using GetPlayerByUserId:
1 | local player = game.Players:GetPlayerByUserId(receiptInfo.PlayerId) |
Final code:
01 | local MarketplaceService = game:GetService('MarketplaceService') |
02 | local devproductid = 48677962 -- DevId to Grant 100000 Points |
03 |
04 | MarketplaceService.ProcessReceipt = function(receiptInfo) |
05 | local player = game.Players:GetPlayerByUserId(receiptInfo.PlayerId) |
06 | if player then |
07 | if receiptInfo.ProductId == devproductid then |
08 | -- give them the Points |
09 | player.leaderstats.Points.Value = player.leaderstats.Points.Value + 100000 |
10 | return Enum.ProductPurchaseDecision.PurchaseGranted |
11 | end |
12 | end |
13 | return Enum.ProductPurchaseDecision.NotProcessedYet |
14 | end |
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