How can i make a text button give playerstats?

I have a shop GUI,

inside the shop GUI, I have something where you can buy Ingame money for Robux how can I make it so that when you click on the text button a developer product show up and when you buy it, it gives the player a certain amount of money?

basically, can I make a Dev product that gives you in-game player stats (money)

if anyone can help me I would appreciate it, thanks :)

This link is a tutorial how to do exactly that. Edit: Fixed link

Additional Information:

Market Service

Data Store

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