An event whose origin reads a container id names something no other module
can look up. The mesh already knows the answer, and a module's environment
file is a file resource, so ${machine:name} reaches it with no composer change.
An event whose origin reads a container id names something no other module
can look up. The mesh already knows the answer, and a module's environment
file is a file resource, so ${machine:name} reaches it with no composer change.