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Last tested: Jul 21, 2020
Yes! With the event attribute explore.
Sample URL to share:/explore/system__activity/event_attribute?fields=event.created_time,user.name,event.name,event.category,event_attribute.name,event_attribute.value&f[event.name]=%25slack%25&sorts=event.created_time+desc&limit=500&query_timezone=America%2FLos_Angeles&vis=%7B%7D&filter_config=%7B%22event.name%22%3A%5B%7B%22type%22%3A%22contains%22%2C%22values%22%3A%5B%7B%22constant%22%3A%22slack%22%7D%2C%7B%7D%5D%2C%22id%22%3A2%2C%22error%22%3Afalse%7D%5D%7D&dynamic_fields=%5B%5D&origin=share-expanded
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