Start with a draft of your resume. The cover letter will follow once you've identified an opportunity for which to apply.A. Identifies the position for which you are applying and how you learned of it. b. Indicates why you are applying. c. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own. The first portion of the cover letter is an introduction. Thank you for your interest in applying at Allegheny County. The following information will assist you through the application process. This letter is especially helpful if you're applying to a traditionally unrelated industry from your previous job. It does the following:.