Besides the functionalities strictly related to the new parser and type system, many other new features have been introduced.
We are used to managing the contents of configuration files using ERB templates, where it is possible to embed the Ruby code and variables interpolation inside the text to be used in the files deployed to our nodes.
Puppet 3.5 introduces Embedded Puppet (EPP) Templates, where we can directly use Puppet code inside our templates. They are supposed to be placed in the same template's directory of our nodes; they are expected to have a .epp extension and are invoked via the epp and inline_epp functions, which are equivalent to the template and inline_template ones.
The tags to be used to insert Puppet code inside files' text are the same ones used for ERB templates: