Ian, this is are the options of the channel
<|ChannelPreSendFunction -> Automatic, HandlerFunctions -> None,
Initialization -> Automatic,
MetaInformation -> <|"OwnerID" -> "users@example.com"|>,
NotificationFunction -> Inherited,
Permissions -> <|All -> {"Write", "Read"},
"user@example.com" -> "Execute"|>,
ChannelBase -> "https://channelbroker.wolframcloud.com:443",
"URLRendering" -> Automatic|>