When using an app and you want some of it’s windows to be floated (aka, not managed by Amethyst) you can specify the window’s title. Often times the types of windows you would like to be floated don’t have a visible title and it can be a chore to detemine it’s title. This Applescript will give you all the titles of active windows:
tell application "System Events"
set allWindows to name of window of processes whose visible is true