Only for administration templates:
The following TAGs are only meant for developer who create own admin templates.
The following TAGs are available through Extensions, which are linked on their description page.
Read more about using Smarty int the official Docu at:
Smarty plugin directory: /addon/smarty/plugins/
function smarty_function_hello_world($params, &$smarty) { echo "Hello World, says " . $params['name'] . "!"; }
The output would be:
Hello World, says Bob!