a. Create a logo and color scheme for your event, and display it on an event website with online registration.
b. Connect via social media, consider online paid advertisements.
c. Rally your troops to spread the word through e-mail and guest posts in online media targeted to your audience.
d. If appropriate, make use of local event listing websites.
e. Consider offering discounts to organizations that send more than one participant.
f. Consider offering early bird discounts.
g. Make sure you communicate a clear RSVP end date.