|const char *||device_name|
|const char *||event|
The entity_id field serves as a means by which A specific entry may be found.
|const char* device_name|
The entity ID used when corresponding with the EPA on the other side. As the ESC, we generate an entity ID for each received PUBLISH and store it in this structure.
|const char* event|
The event package for which this esc_entry exists. Most of the time this isn't really necessary since you'll have easy access to the ESC which contains this entry. However, in some circumstances, we won't have the ESC available.