Getting a list of active file viewers with apps script
问题 I've been googling for a while but have come up with no results that tell me I can't, but no results telling me I can. What I'm looking for is a way in apps script (or anything in their .NET/Java/Python...API) to give me a list of people who are actively looking at the sheet when I ask. I tried getViewers but it gives me a list of all people with access, not the ones looking at it currently. If I wanted to do some data manipulation but didn't want to do it when people where in the file, or if