Who will be attending? Will there be any guesst that Boby should be aware of?
Please describe how the event will look (head table, lectern, etc.).
Please indicate where Bobby will be seated and who will be seated with him.
Please describe the A/V arrangements.
Please describe Bobby's role in the event (brief remarks, keynote address, workshop, etc.).
Please indicate who will introduce Bobby (name, title, role, etc.).
Please provide the event agenda (You can email one to email@example.com if that is more convenient.).
What other details does Bobby need to know about the event?