A professional resignation letter most importantly outlines the details of your employment and departure. Please accept this message as my formal notice of resignation.I am fortunate to have received a long awaited opportunity that I cannot pass up. In this article, we explore what a resignation letter for a better opportunity is, how to write one and provide a template and example. A short resignation letter is the way to go. Include your name, position, the date of resignation and the intended last day of work in the first paragraph. Below are three sample resignation letter templates, written for different scenarios. Begin with a clear and concise statement that you are resigning from your position. Your letter of resignation should be short and professional.