Here’s my solution from my yesterday’s secret Patreon stream (by the way feel free to check it out 
https://www.patreon.com/codatricks)
at 3:12:30 roughly I’m implementing a setup where I’m duplicating pages and applying different filter settings to each page automatically through canvas controls (SetControlValue)
The idea is:
- Have a control (text, lookup etc) on your page that’s getting duplicated
- First set a value on that control
- Then duplicate the page. You get copies of all controls populated with those values, and everything in the page that referenced the original controls now references those copied controls.
But to answer your question, there’s no way to get thisPage or anything about current page in Coda at the moment. This here is a workaround.