How To Write A Feedback Letter For Employee . “i see an opportunity to improve this function in [x] way”. Goal setting and development conversations. How to write a performance evaluation from www.slideshare.net As opposed to, “you’re really rude to people, and it’s dragging down the team.”. “i see an opportunity to improve this function in [x] way”. This employee review letter contains an evaluation of your job performance for the period [insert date] through [insert date].