I have a Google Nest and a Raspberry Pi. I would like to be able to send commands from the Raspberry to the Google Nest. I have done some research and I have found ways to control the rpi with the Google Nest but not the other way around. Any clue would be helpful Thanks!
EDIT: I think Google Nest may not be the target but the google home app. In the end I want to be able to do something like this: rpi sends request => light device registered in my google home app opens/closes.
You can target the Google Nest using the Smart Device Management API.
However, there are currently only a few traits supported for controlling the Nest, specifically targeting the on-board camera.