Sonata\PriceBundle\DependencyInjection\Configuration::getConfigTreeBuilder PHP Method

    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $node = $treeBuilder->root('sonata_price');
        $this->addPriceSection($node);
        $this->addPrecisionSection($node);
        return $treeBuilder;
    }