Subject: Letter of Resignation - Your Name
Dear ______________,
Please accept this message as notification that I am leaving my position with ______________(company) effective ______________(date)

I appreciate the opportunities I have been given at ______________(company) and your professional guidance and support. I wish you and the company much success in the future.
Please let me know what to expect as far as my final work and payment options.
If I can be of assistance during this transition, I am more than happy to assist the company in whatever ways possible.
Sincerely,
______________(your name)