Hey!
Thanks for reaching out to us!
Unfortunately the ability to share events across the network isn’t something that is currently built into the plugin. However, you can vote for this feature on our UserVoice page for our developers to review for potential addition in a future release.
If you’re comfortable with code, this is something that could be accomplished with custom development since all sites within the network share the same database. You would just need to take advantage of the specific site id’s when querying to get the event information across the network.
I’m sorry I wasn’t able to give you a direct solution for this question. If you have any further questions please don’t hesitate to ask.
Thanks!