diff --git a/models/Product.php b/models/Product.php
index be3de9a..d9586ba 100755
--- a/models/Product.php
+++ b/models/Product.php
@@ -571,7 +571,40 @@
             }
             return $groups;
         }
-        
+
+
+        /**
+         * Get characteristic from TaxGroups for current Product filled with $customOptions that satisfy current Product
+         *
+         * @return TaxGroup[]
+         */
+        public function getCharacteristic(): array
+        {
+            $groups = $options = [];
+            foreach ($this->getOptions()
+                         ->with('lang')
+                         ->all() as $option) {
+                /**
+                 * @var TaxOption $option
+                 */
+                $options[ $option[ 'tax_group_id' ] ][] = $option;
+            }
+            foreach (TaxGroup::find()
+                         ->where(['is_menu'=>true])
+                         ->andWhere([ 'id' => array_keys($options) ])
+                         ->with('lang')
+                         ->all() as $group) {
+                /**
+                 * @var TaxGroup $group
+                 */
+                if (!empty($options[ $group->id ])) {
+                    $group->customOptions = $options[ $group->id ];
+                    $groups[] = $group;
+                }
+            }
+            return $groups;
+        }
+
         public function getVideos()
         {
             return $this->hasMany(ProductVideo::className(), [ 'product_id' => 'id' ]);
diff --git a/models/ProductVariant.php b/models/ProductVariant.php
index d6181c0..24995de 100755
--- a/models/ProductVariant.php
+++ b/models/ProductVariant.php
@@ -398,6 +398,38 @@
             }
             return $groups;
         }
+
+        /**
+         * Get characteristic from TaxGroups for current ProductVariant filled with $customOptions that satisfy current Product
+         *
+         * @return TaxGroup[]
+         */
+        public function getCharacteristic(): array
+        {
+            $groups = $options = [];
+            foreach ($this->getOptions()
+                         ->with('lang')
+                         ->all() as $option) {
+                /**
+                 * @var TaxOption $option
+                 */
+                $options[ $option[ 'tax_group_id' ] ][] = $option;
+            }
+            foreach (TaxGroup::find()
+                         ->where(['is_menu'=>true])
+                         ->andWhere([ 'id' => array_keys($options) ])
+                         ->with('lang')
+                         ->all() as $group) {
+                /**
+                 * @var TaxGroup $group
+                 */
+                if (!empty($options[ $group->id ])) {
+                    $group->customOptions = $options[ $group->id ];
+                    $groups[] = $group;
+                }
+            }
+            return $groups;
+        }
         
         /**
          * Set stocks to override existing in product_stock table
--
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