AjaxProcessor::getActionMethodName

protected function getActionMethodName($action)
{
	if(empty($action))
	{
		throw new \Bitrix\Main\ArgumentNullException('action');
	}

	if($action === 'SAVE' || $action === 'DELETE')
	{
		$action = ToLower($action);
	}
	elseif($action === 'GET_FORMATTED_SUM')
	{
		$action = 'getFormattedSum';
	}

	return $action.'Action';
}