Get Player

local Players = game:GetService("Players")
for i, v in pairs(Players:GetChildren()) do
    v.Chatted:connect(function(msg)
        if msg:sub(1,1) == "/" then
            for i, plr in pairs(Players:GetChildren()) do
                local lel = msg:sub(2)
                local low = lel:lower()
                local len = string.len(low)
                local ple = plr.Name:sub(1,len)
                if low == ple:lower() then
                    print(plr.Name)
                end
            end
        end
    end)
end