One Week Notice Letter Example. Here's an example of a resignation letter from an employee who provides one week's notice: Collin JenkinsLearn how to write a professional resignation letter with our step-by-step guide and easy to use templates. Pick the perfect wording and convey the message best suited for your situation. What is a resignation letter, and how do you write one? Here are sample letters and templates, as well as tips for how to resign gracefully. Learn how to write a professional resignation letter due to unfair treatment.