This would in ECL be simillar to how platform(), cluster() etc. are used.
Traditionally, ECL users have had common code that runs in multiple environments and have kludged identification by using Std.Job.daliServer() as a means of uniquely identfying whether the Dali IP was e.g. Prod vs Dev.
This JIRA is to cover allowing the deployment name to be discovered.
In cloud it will be auto-named to match the name of the HPCC helm chart deployment instance name.
In bare-metal it will need to be configured as a property of the environment.conf: