Can't find specific documentation

[StefanHarding]

I'm trying to understand this script for the anser for this question: 

Re: How to test whether a lot is on a corner? - Esri Community

and i havn't been able to find documentation as to what attributes with attribute(i) do. Can someone point me in the right direction?

[StefanHarding · Accepted solution]

Never-mind, I found the documentation