タッチしたプレイヤーを取得するscript例【Roblox Studio】

local Players = game:GetService("Players")
 
local part = script.Parent
local function onTouched(part)
	local player = Players:GetPlayerFromCharacter(part.Parent)
	if not player then return end
	print(player.Name .. " pressed me!")
end
part.Touched:Connect(onTouched)

参考

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