zme_kfob-s

OK complete novice here,

I downloaded the following two link from amazon after getting the ZME_KFOB-S

https://github.com/fuzzysb/SmartThings/blob/master/DeviceTypes/fuzzysb/ZWave.Me%20KeyFob/zmwave.me_keyfob.groovy

I have got Smartthings to add the ZME_KFOB-S, but getting really bogged down with how I add the buttons to devices, any plain English instructions would be much appreciated.