Letter of intent for employment is the other name of cover letter or an equivalent to a job letter. Letter of intent for a job contains the entire specific skills an individual possesses. Usually it is written when somebody requires a job in a certain organisation and identifies his or her academic and professional documents.
A letter of intent for employment also shows your professionalism when entering in any corporate environment. It also looks better when you attach resume and cover letter with the letter of intent for employment to a certain organisation where you want to apply for the specific post. Additional information can also be written if a resume supplements the letter of intent of employment, resume and the cover letter should be in the same font and font size.
In the very first paragraph explain what your primary intention is sending this employment letter. Sometime many people confuse many general things with the main purpose of sending any letter.
You should explain what your current status is in any capacity. What is your purpose and in what capacity you will be able to work for someone. Explain about your academic background and your professional background as well.
In last paragraph, explain how you will be able to do the job in best possible ways. Pay your gratitude in the end and wait for the response.