Structure of files

The following is the structure of files required to be included in a module:

/bitrix/modules/module ID/ - module root folder
- /admin/ - directory containing module administrative scripts
  - menu.php - file with the module administrative menu
- /classes/ - scripts with the module classes
  - /general/ - database independent module classes
  - /mysql/ - the MySQL only module classes
  - /oracle/ - the Oracle only module classes
- /lang/language ID/ - directory containing language files used by the module scripts
- /install/ - directory containing files used to install and uninstall a module
  - /admin/ - directory with scripts including module administrative scripts (calling scripts)
  - /db/ - directory containing SQL scripts used to install/uninstall the database
    - /mysql/ - SQL scripts used to install/uninstall MySQL tables
    - /oracle/ - SQL scripts used to install/uninstall Oracle tables
  - /images/ - directory containing images used by module; after the module installation they should be copied to the directory /bitrix/images/module ID/
  - /templates/ - directory with the module components
    - /module ID/ - directory containing the main component files
    - /lang/language ID/module ID/ - contains language files of the module components
  - index.php - file containing the module description
- include.php - this file is included when a function that includes the module is called; the file should include all files implementing functions and classes of the module
- default_option.php - contains an array $module ID_default_option, in which the default values of the module parameters are specified
- options.php - this file is included by the module settings page in the Settings menu
- prolog.php - file included by all administrative scripts of the module; it should initialise the following two variables:
  - ADMIN_MODULE_NAME - the module ID;
  - ADMIN_MODULE_ICON - HTML code of the module large icon displayed above the page title.