Optionalcallbacks?: JourneyCallback[]Callback collection when additional user input is required.
Optionalcause?: stringOptional failure cause message for FailureNode.
Optionalinput?: Record<string, unknown>Optional raw input payload from native node.
Optionalmessage?: stringOptional node-level message from native/server.
Optionaltype?: JourneyNodeTypeTerminal/non-terminal node discriminator.
Journey node payload returned by native execution.