UiCustomMessage

A flag indicating whether the custom message is displayed pre-login (false) or post-login (true)

The ending time of the active period of the custom message. Can be omitted for non-expiring message

A block containing a hyperlink associated with the custom message

The base64-encoded content of the custom message

Target namespace. (requires Enterprise)

A map containing additional options for the custom message

The starting time of the active period of the custom message

The title of the custom message

The display type of custom message. Allowed values are banner and modal