How To Write A Forum Invatiion Letter . Make sure to mention the salutation at the beginning and your signature at the ending of the letter. Well known personalities are invited as guests. Formal Committee Invitation Letter Templates at from www.allbusinesstemplates.com Date [insert name and address of candidate] thank you for considering being part of the (coordination committee name) educational public forum and reception on housing and homelessness issues on (date). Sample invitation for media coverage. Using a formal invitation letter sample for an event can be an option for those who want to write a good invitation email without having much experience.