Event marketing can generate high-quality sales leads if done properly. There are 10 critical success factors for lead generation through event marketing: 1) Give yourself enough time to plan the event, 2) Set realistic targets based on your contact database, 3) Plan your budget with a 10% contingency, 4) Choose the right venue, 5) Deliver valuable content for your audience, 6) Plan audience generation effectively using various communication tactics, 7) Create a project plan with tasks and deadlines, 8) Plan your lead capture mechanism, 9) Ensure smooth execution through planning and team preparation, and 10) Follow up on leads effectively and prioritize feeding them into your sales pipeline.