diff --git a/event_routing_backends/processors/tests/fixtures/current/edx.completion.block_completion.changed.json b/event_routing_backends/processors/tests/fixtures/current/edx.completion.block_completion.changed.json
index 38524a7b..ea994689 100644
--- a/event_routing_backends/processors/tests/fixtures/current/edx.completion.block_completion.changed.json
+++ b/event_routing_backends/processors/tests/fixtures/current/edx.completion.block_completion.changed.json
@@ -5,7 +5,7 @@
     "user_id": 4,
     "course_id": "course-v1:edX+DemoX+Demo_Course",
     "context_key": "course-v1:edX+DemoX+Demo_Course",
-    "block_key": "block-v1:edX+DemoX+Demo_Course+type@problem+block@7c54b16c8ed34f9f8772015178c7a175",
+    "block_id": "block-v1:edX+DemoX+Demo_Course+type@problem+block@7c54b16c8ed34f9f8772015178c7a175",
     "block_type": "problem",
     "completion": 1.0,
     "is_new": false
diff --git a/event_routing_backends/processors/xapi/event_transformers/completion_events.py b/event_routing_backends/processors/xapi/event_transformers/completion_events.py
index ad08c931..6e2945fe 100644
--- a/event_routing_backends/processors/xapi/event_transformers/completion_events.py
+++ b/event_routing_backends/processors/xapi/event_transformers/completion_events.py
@@ -1,23 +1,26 @@
 """
 Transformers for forum related events.
 """
-from tincan import Activity, ActivityDefinition, Extensions, LanguageMap, Verb
+from tincan import Activity, ActivityDefinition, Extensions, LanguageMap, Result, Verb
 
 from event_routing_backends.processors.xapi import constants
 from event_routing_backends.processors.xapi.registry import XApiTransformersRegistry
 from event_routing_backends.processors.xapi.transformer import XApiTransformer
 
 
-@XApiTransformersRegistry.register('edx.completion.block_completion.changed')
+@XApiTransformersRegistry.register("edx.completion.block_completion.changed")
 class CompletionCreatedTransformer(XApiTransformer):
     """
     Transformers for event generated when an student completion is created or updated.
     """
+
     verb = Verb(
         id=constants.XAPI_VERB_PROGRESSED,
         display=LanguageMap({constants.EN: constants.PROGRESSED}),
     )
 
+    additional_fields = ('result', )
+
     def get_object(self):
         """
         Get object for xAPI transformed event related to a thread.
@@ -25,12 +28,24 @@ def get_object(self):
         Returns:
             `Activity`
         """
+        print(f'\n\n\n BLOCK ID: {self.get_object_iri("xblock", self.get_data("data.block_id"))}\n\n\n')
         return Activity(
-            id=self.get_object_iri('xblock', self.get_data('data.block_key')),
+            id=self.get_object_iri("xblock", self.get_data("data.block_id")),
             definition=ActivityDefinition(
                 type=constants.XAPI_ACTIVITY_RESOURCE,
-                extensions=Extensions({
-                    constants.XAPI_ACTIVITY_PROGRESS: self.get_data('data.completion')*100
-                })
+            ),
+        )
+
+    def get_result(self):
+        """
+        Get result for xAPI transformed event related to a thread.
+
+        Returns:
+            `Result`
+        """
+        return Result(
+            completion=self.get_data("data.completion") == 1.0,
+            extensions=Extensions(
+                {constants.XAPI_ACTIVITY_PROGRESS: self.get_data("data.completion")*100}
             ),
         )
diff --git a/event_routing_backends/processors/xapi/tests/fixtures/expected/edx.completion.block_completion.changed.json b/event_routing_backends/processors/xapi/tests/fixtures/expected/edx.completion.block_completion.changed.json
index c0bb72d4..4ea719af 100644
--- a/event_routing_backends/processors/xapi/tests/fixtures/expected/edx.completion.block_completion.changed.json
+++ b/event_routing_backends/processors/xapi/tests/fixtures/expected/edx.completion.block_completion.changed.json
@@ -1,17 +1,26 @@
 {
   "id": "32e08e30-f8ae-4ce2-94a8-c2bfe38a70cb",
+  "result": {
+    "completion": true,
+    "extensions": { "https://w3id.org/xapi/cmi5/result/extensions/progress": 100.0 }
+  },
   "version": "1.0.3",
   "actor": {
     "objectType": "Agent",
-    "account": { "name": "32e08e30-f8ae-4ce2-94a8-c2bfe38a70cb", "homePage": "http://localhost:18000" }
+    "account": {
+      "name": "32e08e30-f8ae-4ce2-94a8-c2bfe38a70cb",
+      "homePage": "http://localhost:18000"
+    }
   },
-  "verb": { "id": "http://adlnet.gov/expapi/verbs/progressed", "display": { "en": "progressed" } },
+  "verb": {
+    "id": "http://adlnet.gov/expapi/verbs/progressed",
+    "display": { "en": "progressed" }
+},
   "object": {
     "id": "http://localhost:18000/xblock/block-v1:edX+DemoX+Demo_Course+type@problem+block@7c54b16c8ed34f9f8772015178c7a175",
     "objectType": "Activity",
     "definition": {
-      "type": "http://id.tincanapi.com/activitytype/resource",
-      "extensions": { "https://w3id.org/xapi/cmi5/result/extensions/progress": 100.0 }
+      "type": "http://id.tincanapi.com/activitytype/resource"
     }
   },
   "timestamp": "2023-08-22T20:16:25.500832+00:00",