feat: set external identifier in consignments to allow easier retriev…

…al of rjp barcodes

src/Adapter/ConsignmentAdapter.php

@@ -83,6 +83,7 @@ private function baseOptions()
             ->setShopId($this->data['shop_id'])
             ->setReferenceIdentifier($this->data['reference_identifier'])
             ->setBarcode($this->data['barcode'])
+            ->setExternalIdentifier($this->data['external_identifier'])
             ->setStatus($this->data['status'])
             ->setCountry($recipient['cc'])
             ->setPerson($recipient['person'])

src/Model/Consignment/AbstractConsignment.php

@@ -199,6 +199,12 @@ abstract class AbstractConsignment
      */
     public $barcode;
 
+    /**
+     * @internal
+     * @var string|null
+     */
+    public $externalIdentifier;
+
     /**
      * @internal
      * @var int
@@ -577,6 +583,27 @@ public function setBarcode(?string $barcode): self
         return $this;
     }
 
+    /**
+     * @return string|null
+     */
+    public function getExternalIdentifier(): ?string
+    {
+        return $this->externalIdentifier;
+    }
+
+    /**
+     * @param  null|string  $externalIdentifier
+     *
+     * @return self
+     * @internal
+     */
+    public function setExternalIdentifier(?string $externalIdentifier): self
+    {
+        $this->externalIdentifier = $externalIdentifier;
+
+        return $this;
+    }
+
     /**
      * Get the status of the consignment
      * Pattern: [1 – 99]<br>