src/DependencyInjection/Configuration.php
public function getConfigTreeBuilder()
    {
        $nodeBuilder = new NodeBuilder();
        $nodeBuilder->setNodeClass('dynamicArray', DynamicArrayNodeDefinition::class);
        $treeBuilder = new TreeBuilder();

        $rootNode = $treeBuilder->root('prooph', 'dynamicArray', $nodeBuilder);

        // our factories handles validation and we are flexible with keys
        // Please take a look at the docs or specific prooph component factory for the configuration options
        $rootNode->ignoreExtraKeys(false);

        return $treeBuilder;
    }
public function getConfigTreeBuilder()
    {
        $nodeBuilder = new NodeBuilder();
        $nodeBuilder->setNodeClass('dynamicArray', DynamicArrayNodeDefinition::class);
        $treeBuilder = new TreeBuilder();

        $rootNode = $treeBuilder->root('prooph', 'dynamicArray', $nodeBuilder);

        // our factories handles validation and we are flexible with keys
        // Please take a look at the docs or specific prooph component factory for the configuration options
        $rootNode->ignoreExtraKeys(false);

        return $treeBuilder;
    }
{@inheritdoc}