run script on wireless client registration

RouterOS Wireless Networking
1

Hi,
Is it possible to configure RouterOS to run a script one a new client is connected to the wireless interface?
Thank you

2

its possible to run a script. say every 30 sec. to check if there is new connections. and if there is… run some kind of script.

3

if some one comes across this have look here
http://forum.mikrotik.com/t/trigger-script-when-client-registers-on-network/79492/1