Gmail Add-on trigger criteria
Can someone accurately describe the trigger criteria for Gmail Add-on scripts? Apparently, the trigger is not invoked each time the user navigates between Gmail conversations. The only documentation I can find is https://developers.google.com/gmail/add-ons/how-tos/building#note1 , which states the only contextual trigger type available is unconditional, which triggers for all emails regardless of content. I interpreted this to mean that the trigger is invoked every time the user navigates to a different gmail conversation, however, that is not the case: The first time I navigate to a some