diff --git a/src/Operation/Shops/Orders/GetOrders/GetOrdersSearchQuery.php b/src/Operation/Shops/Orders/GetOrders/GetOrdersSearchQuery.php
index 635efe1..590b516 100644
--- a/src/Operation/Shops/Orders/GetOrders/GetOrdersSearchQuery.php
+++ b/src/Operation/Shops/Orders/GetOrders/GetOrdersSearchQuery.php
@@ -14,6 +14,7 @@ public function getAllowedKeys()
             'description',
             'status',
             'externalId',
+            'processedAt'
         ];
     }
 
@@ -49,4 +50,25 @@ public function whereExternalId($externalId)
     {
         return $this->set('externalId', $externalId);
     }
+
+    /**
+     * @param string|null $from
+     * @param string|null $to
+     * @return $this
+     * @throws \InvalidArgumentException
+     */
+    public function whereProcessedAt(string|null $from = null, string|null $to = null)
+    {
+        $processedAt = [];
+
+        if ($from !== null) {
+            $processedAt['from'] = $from;
+        }
+
+        if ($to !== null) {
+            $processedAt['to'] = $to;
+        }
+
+        return $this->set('processedAt', $processedAt);
+    }
 }