AIDA, which stands for Attention, Interest, Desire, and Action, is a powerful formula to structure your email and guide prospects through the stages of persuasion. To apply it, begin with a personalized and friendly greeting and a hook that relates to their situation or problem. Then, explain how your product or service can help them solve their problem or achieve their goal. Use facts, benefits, and social proof to back up your claims. Create a sense of urgency and scarcity by using words like "now", "today", "limited", or "exclusive". Finally, end with a clear and specific call to action that tells your prospect what to do next - such as replying, booking a meeting, or signing up for a demo.