Hello @DrewT88 ,
At this time there isn't a way to trigger automation series off of segments. However, I did make sure to get your feature request and information passed along to the engineers. If and when they have an update, they'll make sure to reach out.
In the meantime, a potential workaround could be converting your segments into lists that would be set up to trigger an automation series (i.e. first time a contact joins a specific list). Then when you "refresh" the segment and then update the list, the automation will still be able to trigger for the new applicable contacts.
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