How to make Shirts on Sale Appear on board

Hi guy’s I need some help with the a code.So like the game PLS DONATE I want to make a donation button that show’s a players shirt’s on sale and im able to buy it if not i does not show Please someone help me and walk me through you’r code by making Comment Thank you
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Did you searched a Service in the game that could conduct you to his shirt creation?

Look at this topic, this might help you: How to get all players shirts, pants and t-shirts of player