Service info in SDT table from multicast stream output

Hi all

I would like to clarify the opportunity that has appeared on Caspar version 2.4 brings this service info to the multicast stream output:

-metadata service_provider = “Some provider”
-metadata service_name=“Some channel” \

Currently everyone is trying to use these keys aimed at:

Unused option metadata

Has anyone tried the controller? Perhaps I made a syntax error?