example_module_directory/          (required)
          manifest.json                   (required)  Metadata and action definition.
          Module.php                                  Module initialization and event handling.
          actions/                                    Action controller files.
              SomethingView.php
              SomethingCreate.php
              SomethingDelete.php
              data_export/
                  ExportAsXml.php
                  ExportAsExcel.php
          views/                                      View files.
              example.something.view.php
              example.something.delete.php
          assets/                                     Any additional files to be used in views. Must be specified in manifest.json.
              js/                                     JavaScript files used in views.
                  example.something.view.js.php
              css/                                    CSS files used in views.
                  example.something.css
               image.png                              Images used in views.
               example.something.file                 Any file for using in views.