You've got this. Here's what to take care of before the big day:

Confirm your time and place. Make sure it works for a quick gathering right before your group heads out to canvass or phone bank.
Delegate a few jobs. You don't have to do this alone. Ask a friend to help with check-in, another to bring snacks, another to help get everyone moving when it's time to go.
Plan to arrive 15 minutes early. You'll want time to greet people as they show up.
Know your run of show. Check people in, make quick introductions, say a few words about why this matters, hand out any materials, then head out together.
Review these before your event: