How are you going to ask for donations? When will you do it? What methods of giving are available to the audience? The answers to these questions may vary, but you need to have an idea of what works for you.
The opportunity to give doesn't end with the event. Quick follow-up is crucial, as a significant percentage of funds raised from an event come in the days and weeks after an event concludes. Have a strong follow-up to your event.
Nobody's perfect. It's crucial to learn from fundraising events. What went well? What can we improve? An effective review will make future events even better.