How can i save outfits when a player leaves from a game?

Everyone wants to dress up their avatars and save it until leaves for don't lose their outfits in every realm, So i wanted to save my outfits in an avatar editor that i just found in a game, But i don't know what script do for save an outfits / progress for my game "Mermaid High"

Here's the link to the photo (Need to log in on Disc) https://bit.ly/3PtRhCN

Can you guys help me?

Script something like this maybe? (I am not going to open the discord images. Please reupload them outside of Discord if this answer is not what you anticipated)

for i,v in pairs(char:GetChildren()) do
	if v:IsA("Clothing") then
		--Saving stuff code
	end
end