Add Your Post Event Update is a button that appears in the Event Actions panel of the Event page
The button only appears if a survey has been added to the Event Category. See how to design the event attendance form.
Surveys used as the Event Attendance Form often include text fields that are completed for each guest. Enable Fields For Each Contact on a survey
How to post an update
Click the Add your Post Event Update button
It will take you to a version of the Create Story page for this event.
Complete the form
Press Save
Your event update will appear at the bottom of the Event page in the Event Timeline section
