A little Help please :]

Hi there (who ever thats reading)

i am completely new to scripting in general, my first time trying to script xD.

im trying to use Autoit to type in an order.. idk how to explain like:

waiting1
waiting2
waiting3
waiting4
etc....
waiting400
End.

can anyone tell me which Function to use and how to use it?

Please and thnx.