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