tag

getgenv().it = "" -- First Person to be it username not displayname
getgenv().whitelisted = {"Player1","Player2","Player3"} -- change to players playing tag use username not displayname it can be any amount of players
getgenv().message = " is it." -- tag message

local function tag(it)
    local uh = game.Players[it].Character.HumanoidRootPart:GetTouchingParts()
    return uh
end
local function code(player)
    game:GetService("ReplicatedStorage").DefaultChatSystemChatEvents.SayMessageRequest:FireServer(player.DisplayName .. getgenv().message,"All")
end
while wait() do
    if table.find(tag(getgenv().it),"HumanoidRootPart") ~= nil then
        local oof = table.find(tag(getgenv().it),"HumanoidRootPart")
        if table.find(getgenv().whitelisted,oof.Parent.Name) ~= nil then
            getgenv().it = oof.Parent.Name
            code(game.Players[oof.Parent.Name])
        end
    end
end