Anyone can share an event and individual posts via Twitter by following the steps below.
To share a photo, text, or video on-demand post, click the post from Posts drawer (right side of the event page), then click the Share icon in the upper right corner.
A window will pop-up with the multiple sharing options. You can either copy the given URL to your clipboard, or select the Twitter icon.
A pop-up will appear with a pre-generated Tweet ready to send.
Click Tweet and any Twitter followers will see the post or in their timelines.