diff --git a/src/Component/Akeneo/DataStructure/BuildProductMatcher.php b/src/Component/Akeneo/DataStructure/BuildProductMatcher.php
new file mode 100644
index 0000000..653b6bd
--- /dev/null
+++ b/src/Component/Akeneo/DataStructure/BuildProductMatcher.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Misery\Component\Akeneo\DataStructure;
+
+use Misery\Component\Converter\Matcher;
+use Misery\Model\DataStructure\ItemInterface;
+
+class BuildProductMatcher
+{
+    /**
+     * Convert multi-dimensional structure data to a Single Dimensional Structure with Matcher
+     *
+     * Product Payload
+     *
+     * {
+     *   "values": [
+     *     "color": [
+     *       {
+     *         "data": "red",
+     *         "locale": null,
+     *         "scope": null,
+     *       }
+     *     ]
+     *   ]
+     * }
+     *
+     * Becomes
+     *
+     * {
+     *   "values|color": {
+     *         "data": "red",
+     *         "locale": null,
+     *         "scope": null,
+     *         "matcher": {"sep":"|", "matches":["values", "color"], "scope":null, "locale":null}
+     *    }
+     * }
+     *  - Scope-able & localizable: "values|color|nl_BE|ecom"
+     *  - Scope-able: "values|color|ecom"
+     *  - localizable: "values|color|nl_BE"
+     **/
+    public static function fromApiPayload(array $productData, array $attributeData = []): array
+    {
+        throw new \Exception('Deprecated! use a proper Factory');
+    }
+
+    public static function fromItem(ItemInterface $item): array
+    {
+        $fields = [];
+        foreach ($item->getItemNodes() as $code => $itemNode) {
+            $matcher = $itemNode->getMatcher();
+
+            if ($matcher->matches('values')) {
+                $fields['values'][$matcher->getPrimaryKey()][] = $itemNode->getValue();
+            } else {
+                $fields[$code] = $itemNode->getValue();
+            }
+        }
+
+        return $fields;
+    }
+
+    public static function revertMatcherToProduct(array $productData): array
+    {
+        $fields = [];
+        foreach ($productData as $field => &$fieldValue) {
+            $matcher = $fieldValue['matcher'] ?? null;
+            if ($matcher instanceof Matcher) {
+                unset($fieldValue['matcher']);
+                $fields['values'][$matcher->getPrimaryKey()][] = $fieldValue;
+            } else {
+                $fields[$field] = $fieldValue;
+            }
+        }
+
+        return $fields;
+    }
+
+    public static function revertToKeyValue(array $productData): array
+    {
+        $fields = [];
+        foreach ($productData as $field => $fieldValue) {
+            $fields[$field] = $fieldValue;
+            $matcher = $fieldValue['matcher'] ?? null;
+            if ($matcher instanceof Matcher) {
+                $fields[$field] = $fieldValue['data'] ?? null;
+            }
+        }
+
+        return $fields;
+    }
+}
\ No newline at end of file
diff --git a/src/Model/DataStructure/Item.php b/src/Model/DataStructure/Item.php
index 5abf035..aa6f9ec 100644
--- a/src/Model/DataStructure/Item.php
+++ b/src/Model/DataStructure/Item.php
@@ -40,7 +40,7 @@ public function copyItem(string $fromCode, string $toCode): void
         }
 
         // Property Values
-        if (is_string($itemValue)) {
+        if (!is_array($itemValue)) {
             $this->addItem($toCode, $itemValue, $item->getContext());
             return;
         }