Well, of course, you gotta learn programming in school, or on your own. [ in his case, he and his brother basically learned these things on their own before learning them in school. ] But after that, everything's easy as pie.

[ tadashi takes william's cerevice and connects it to his laptop, and quickly transfers a file. it only lasts ten seconds max, and he disconnects the device just as quickly. ]

Here you go. Just check your contacts app, and there should be a tab there that says "alarm".

[ no, in fact, tadashi will just go demonstrate it to william now. ]

You toggle this button on or off if you want to be notified each time somebody leaves or arrives, or you can type in names individually. But the filter only works for arrivals.