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.Just resign, with a stated final date. Making a career change? Then you'll need to write a great resignation letter as part of the process. Leaving a job isn't easy. Briefly provide context for why you're resigning. Refrain from going into too many details that may create a negative tone. State that you wish to quit and include your final day of work. State that you wish to quit and include your final day of work.