参加中のplayerを取得するscript【Roblox Studio】

方法

	local players = game:GetService('Players'):GetChildren()

公式例:

Players = game:GetService("Players")
for i, player in pairs(Players:GetPlayers()) do
    print(player.Name)
end

参考

https://developer.roblox.com/en-us/api-reference/function/Players/GetPlayers