The Generic Model plugin has predefined control task delegates that have the ability to execute scripts on a target host. You can use the delegates to define control tasks on any configuration item (CI) defined in Deploy's type system.
When you define and use configuration items (CIs) with the Generic Model plugin, you may need to use variables in certain CI properties and scripts. For example, you can use this method to include properties from the deployment itself, such as the names or locations of files in the deployment package. Deploy uses the FreeMarker templating engine for this.
Deploy uses the FreeMarker templating engine to allow you to access deployment properties such as such as the names or locations of files in the deployment package.