Template-properties container
From TrainzOnline
The template-properties container is a top-level config.txt file entry used by behavior-template assets.
Supported Tags
The template-properties container is a list of template property subcontainers with no standalone tags. Each subcontainer defines a single template property.
The behavior-template asset type is created and edited in Surveyor, via the rules list on the "Edit Session" dialog. This container should not be modified by hand.
For more information about creating and editing behavior-template assets, see this how to page.