To,
________ (Workshop Organizer)
________ (Organization/Institution)
________ (Address)

Date: __/__/____ (Date)

Subject: Application for ________ (Workshop Name)

Dear ________ (Workshop Organizer),

I am writing to express my interest in attending the upcoming ________ (Workshop Name) scheduled to take place on ________ (dates). As ________ (briefly mention your background or reason for interest), I believe this workshop will greatly benefit me in ________ (specific ways).

I have enclosed the completed application form and any necessary supporting documents.

Thank you for considering my application.

Sincerely,
________ (Your Name)
________ (Your Contact Information)