BootCallback

Callback of the ChannelIO.boot. It provides information about the result of boot.

parameter	type	description
bootStatus	`BootStatus`	A status value of the boot result.
user	`User`	User data when the boot succeeds.

UserUpdateCallback

Callback for user updates. It provides information about the result of the user update.

parameter	type	description
user	User	User data when the user update succeeds.
error		Error when user update fails.

It is utilized in the following functions: