I think the attached showing the implementation ID from the get contact info is what you want. That also makes a great session key so you preserve values from application to application. My thanks to the TAC engineer whose name escapes me for showing me that trick!
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.