Help system/Substitution codes
From Joomla! Documentation
These substitution codes are available to customise the Help system URLs:
| Code | Description |
|---|---|
| {app} | Application name (e.g. "Administrator" in the Joomla CMS Backend) |
| {component} | Component name (e.g. "com_content" in the Article Manager) |
| {keyref} | Help screen key reference (after passing through the translation system) |
| {major} | Joomla major revision number (e.g. "1" in Joomla 1.6). |
| {minor} | Joomla minor revision number (e.g. "6" in Joomla 1.6) |
| {maintenance} | Joomla maintenance revision number (e.g. "3" in Joomla 1.6.3). |
| {language} | Full language code (e.g. "en-GB") |
| {langcode} | Language tag part of the language code (e.g. "en" if the full code is "en-GB") |
| {langregion} | Region tag part of the language code (e.g. "GB" if the full code is "en-GB") |