diff --git a/src/V1/ResourceItem.php b/src/V1/ResourceItem.php
index 570a210..bfaeb40 100644
--- a/src/V1/ResourceItem.php
+++ b/src/V1/ResourceItem.php
@@ -39,8 +39,6 @@ protected function parse(mixed $object): void
             throw new ValidationException('A resource type MUST be a string');
         }
 
-        $this->set('type', $object->type);
-
         if (
             $this->getManager()->getParam('optional_item_id', false) === false
             or !$this->getParent()->has('data') // If parent has no `data` than parent is a ResourceCollection
@@ -52,24 +50,18 @@ protected function parse(mixed $object): void
             if (!is_string($object->id)) {
                 throw new ValidationException('A resource id MUST be a string');
             }
-
-            $this->set('id', $object->id);
-        }
-
-        if (property_exists($object, 'meta')) {
-            $this->set('meta', $this->create('Meta', $object->meta));
         }
 
-        if (property_exists($object, 'attributes')) {
-            $this->set('attributes', $this->create('Attributes', $object->attributes));
-        }
-
-        if (property_exists($object, 'relationships')) {
-            $this->set('relationships', $this->create('RelationshipCollection', $object->relationships));
-        }
+        foreach (get_object_vars($object) as $key => $value) {
+            $value = match ($key) {
+                'meta' => $this->create('Meta', $value),
+                'attributes' => $this->create('Attributes', $value),
+                'relationships' => $this->create('RelationshipCollection', $value),
+                'links' => $this->create('ResourceItemLink', $value),
+                default => $value,
+            };
 
-        if (property_exists($object, 'links')) {
-            $this->set('links', $this->create('ResourceItemLink', $object->links));
+            $this->set($key, $value);
         }
     }
 
diff --git a/tests/Unit/V1/ResourceItemTest.php b/tests/Unit/V1/ResourceItemTest.php
index 44030be..6836333 100644
--- a/tests/Unit/V1/ResourceItemTest.php
+++ b/tests/Unit/V1/ResourceItemTest.php
@@ -78,13 +78,17 @@ public function testCreateWithFullObject(): void
         $object->attributes = new \stdClass();
         $object->relationships = new \stdClass();
         $object->links = new \stdClass();
+        $object->fc = 'test property for forward compatability';
 
         $item = new ResourceItem($object, $this->manager, $this->parent);
 
         $this->assertInstanceOf(ResourceItem::class, $item);
 
-        $this->assertSame($item->get('type'), 'type');
-        $this->assertSame($item->get('id'), '789');
+        $this->assertSame(['type', 'id', 'meta', 'attributes', 'relationships', 'links', 'fc'], $item->getKeys());
+        $this->assertTrue($item->has('type'));
+        $this->assertSame('type', $item->get('type'));
+        $this->assertTrue($item->has('id'));
+        $this->assertSame('789', $item->get('id'));
         $this->assertTrue($item->has('meta'));
         $this->assertInstanceOf(Accessable::class, $item->get('meta'));
         $this->assertTrue($item->has('attributes'));
@@ -93,7 +97,8 @@ public function testCreateWithFullObject(): void
         $this->assertInstanceOf(Accessable::class, $item->get('relationships'));
         $this->assertTrue($item->has('links'));
         $this->assertInstanceOf(Accessable::class, $item->get('links'));
-        $this->assertSame($item->getKeys(), ['type', 'id', 'meta', 'attributes', 'relationships', 'links']);
+        $this->assertTrue($item->has('fc'));
+        $this->assertSame('test property for forward compatability', $item->get('fc'));
     }
 
     /**