diff --git a/app/code/Ometria/AbandonedCarts/etc/module.xml b/app/code/Ometria/AbandonedCarts/etc/module.xml
index 18c634a..87198ae 100755
--- a/app/code/Ometria/AbandonedCarts/etc/module.xml
+++ b/app/code/Ometria/AbandonedCarts/etc/module.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="Ometria_AbandonedCarts" setup_version="2.4.0"/>
+    <module name="Ometria_AbandonedCarts" setup_version="2.5.0"/>
 </config>
diff --git a/app/code/Ometria/Api/Controller/V1/Products.php b/app/code/Ometria/Api/Controller/V1/Products.php
index ace3725..3e2dbdc 100755
--- a/app/code/Ometria/Api/Controller/V1/Products.php
+++ b/app/code/Ometria/Api/Controller/V1/Products.php
@@ -262,16 +262,14 @@ protected function serializeItem($item)
                 ->addFieldToFilter('attribute_code', $attribute['attribute_code'])
                 ->getFirstItem();
 
-            $key = 'value';
-
-            if (in_array($full_attribute->getFrontendInput(), ['select', 'multiselect'])) {
-                $key = 'id';
-            }
+            $inputType = $fullAttribute->getFrontendInput();
+            $type = $inputType == 'multiselect' ? '&' . $attribute['attribute_code'] : $attribute['attribute_code'];
+            $valueIdx = in_array($inputType, ['select', 'multiselect']) ? 'id' : 'value';
 
             $tmp['attributes'][] = [
-                'type'  => $attribute['attribute_code'],
-                $key    => $attribute['value'],
-                'label' => $full_attribute->getFrontendLabel()
+                'type'    => $type,
+                $valueIdx => $attribute['value'],
+                'label'   => $fullAttribute->getFrontendLabel()
             ];
         }
 
diff --git a/app/code/Ometria/Api/Controller/V2/Products.php b/app/code/Ometria/Api/Controller/V2/Products.php
index 04b3ef6..dcd8ca5 100644
--- a/app/code/Ometria/Api/Controller/V2/Products.php
+++ b/app/code/Ometria/Api/Controller/V2/Products.php
@@ -389,12 +389,14 @@ private function getAttributes(ProductInterface $product)
                 continue;
             }
 
-            $valueIdx = in_array($attributeData['input'], ['select', 'multiselect']) ? 'id' : 'value';
+            $inputType = $attributeData['input'];
+            $type = $inputType == 'multiselect' ? '&' . $attribute->getAttributeCode() : $attribute->getAttributeCode();
+            $valueIdx = in_array($inputType, ['select', 'multiselect']) ? 'id' : 'value';
 
             $attributes[] = [
-                'type' => $attribute->getAttributeCode(),
+                'type'    => $type,
                 $valueIdx => $attribute->getValue(),
-                'label' => $attributeData['label']
+                'label'   => $attributeData['label']
             ];
         }
 
diff --git a/app/code/Ometria/Api/etc/module.xml b/app/code/Ometria/Api/etc/module.xml
index 0f4faf0..bc97d1d 100755
--- a/app/code/Ometria/Api/etc/module.xml
+++ b/app/code/Ometria/Api/etc/module.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="Ometria_Api" setup_version="2.4.0"/>
+    <module name="Ometria_Api" setup_version="2.5.0"/>
 </config>
diff --git a/app/code/Ometria/Core/etc/module.xml b/app/code/Ometria/Core/etc/module.xml
index ed2aabc..49c646d 100755
--- a/app/code/Ometria/Core/etc/module.xml
+++ b/app/code/Ometria/Core/etc/module.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="Ometria_Core" setup_version="2.4.0"/>
+    <module name="Ometria_Core" setup_version="2.5.0"/>
 </config>
diff --git a/composer.json b/composer.json
index a49320c..5f86c06 100755
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "ometria/magento2",
     "type": "magento2-module",
-    "version": "2.4.0",
+    "version": "2.5.0",
     "description": "Dev composer package for Ometria Extension",
     "authors": [
         {