Indico CONFERENCE: Candidate participant's registration/application

<!--HTML--><p>In this tutorial you are going to learn how to apply as a candidate participant (if the event requires approval from the event manager) or to register (if participation to the event doesn't require approval from an event manager) to the conference using the registration form for the event.</p> <p>You are also going to learn how to approve a candidate participant's application as an event manager.</p>