(CDS Agenda version 5.0)
|top > create and modify > modify an agenda > talk toolbar > add a subtalk|
A subtalk is only a point in a presentation/talk, so unlike the talk, you don't specify here any starting time nor room (this information is the same as the father talk).
You must fill in the fields on this form page, then click on the "Add Subtalk" button.
Description of the fields in the creation form: