vtiger.filter.process.<strtolower($module.'.'.$componentName.".".$componentType)>.before
vtiger.filter.process.<strtolower($componentName.".".$componentType)>.before
vtiger.filter.process.<strtolower($module.'.'.$componentName.".".$componentType)>.after
vtiger.filter.process.<strtolower($componentName.".".$componentType)>.after

Returns:

array($handler, $request)

Parameter:

array($handler, $request)

$handler = Current Handler Object (Action / View)
$request = current Vtiger_Request object