Because sometimes agent command lines can get pretty long including the tunneling properties, agent specific attributes and other settings and writing that out every time on the command line can be bothersome, there is now a single property that can be used to load default properties into the current component about to be executed. This property name is dtf.defaults and it will load a Java Properties file with key=value lines. There is a default behavior of making all properties available to all the code within DTF but also any properties that do not start with dtf.* prefix will be loaded as Agent attributes that can later be used to lock the components. In other words, if you have a property named cli.type=xxx in your default properties file and load it using this property you can then use the lockcomponent tag like so:

And you know you'd be locking the component who had that property and not any other one. This is useful for the user of the framework to setup agents with properties that define location, build and even APIs available from that agent for executing tests.