Checklist for organisers:

Clearly stated the purpose for the chat.

Contacted the online guest.

Organised a time for the chat and informed all participants.

Made sure the participants and guest have any password/logon details.

Have checked with the guest that he/she can access the chat room.

Arrange a typist for the guest if required.

Checked if the guest would like a practice prior to the chat.

Organised a moderator.

Advertised the chat to the appropriate audience.