System message

local TextChatService = game:GetService("TextChatService")
local Time = 5 --// will send tips every 5 seconds
local tips = {
"Make sure to share/like the game",
"dw we not going to hack you",
"don't swear anyone, it not cool",
" allvideo is kinda sexy"
}

while true do
    TextChatService.TextChannels.RBXGeneral:DisplaySystemMessage(tips[math.random(1,#tips)])
    task.wait(Time)
end