Use Notifyer by visiting meet.google.com and selecting the Notifyer icon in your extensions toolbar. Add words you want to be detected to the list. Clicking a word in the list will automatically toggle the detection state on/off. Note: you must have captions turned on in order for text to be detected. This application is open source, the Github link is above. Submit any issues there, and feel free to contribute. -Plans to add Google Hangouts and Zoom in the near future-