diff --git a/infrastructure/terraform/per_workspace/modules/etl/sds/output.tf b/infrastructure/terraform/per_workspace/modules/etl/sds/output.tf
index 9b7a4ed79..5a8e10dc6 100644
--- a/infrastructure/terraform/per_workspace/modules/etl/sds/output.tf
+++ b/infrastructure/terraform/per_workspace/modules/etl/sds/output.tf
@@ -13,3 +13,7 @@ output "changelog_key" {
 output "bulk_trigger_prefix" {
   value = local.bulk_trigger_prefix
 }
+
+output "notify_lambda_arn" {
+  value = module.notify.arn
+}
diff --git a/src/etl/notify/notify.py b/src/etl/notify/notify.py
index 1ea02d025..646e2415e 100644
--- a/src/etl/notify/notify.py
+++ b/src/etl/notify/notify.py
@@ -1,4 +1,4 @@
-def handler(event: list[dict], context):
+def handler(event: list[dict], context=None):
     for item in event:
         if item.get("error_message") is not None:
             return "fail"
diff --git a/src/etl/notify/tests/test_notify_lambda.py b/src/etl/notify/tests/test_notify_lambda.py
new file mode 100644
index 000000000..7ce3ba1b8
--- /dev/null
+++ b/src/etl/notify/tests/test_notify_lambda.py
@@ -0,0 +1,76 @@
+import json
+import boto3
+import pytest
+from test_helpers.terraform import read_terraform_output
+
+
+STATE_MACHINE_INPUT_WITHOUT_ERROR_MESSAGE = [
+    {
+        "ETag": '"9b41ef67651c18488a8b08bb67c75699"',
+        "ServerSideEncryption": "AES256",
+        "VersionId": "VHBhCwygSeYxgEEecU7N.meZl3uKDoaA",
+    },
+    {
+        "stage_name": "load",
+        "processed_records": 0,
+        "unprocessed_records": 0,
+        "error_message": None,
+    },
+]
+
+STATE_MACHINE_INPUT_WITH_ERROR_MESSAGE = [
+    {
+        "ETag": '"9b41ef67651c18488a8b08bb67c75699"',
+        "ServerSideEncryption": "AES256",
+        "VersionId": "VHBhCwygSeYxgEEecU7N.meZl3uKDoaA",
+    },
+    {
+        "stage_name": "load",
+        "processed_records": 0,
+        "unprocessed_records": 0,
+        "error_message": "oops",
+    },
+]
+
+
+def test_notify_lambda_with_state_machine_input_without_error_message():
+    from etl.notify import notify
+
+    assert notify.handler(event=STATE_MACHINE_INPUT_WITHOUT_ERROR_MESSAGE) == "pass"
+
+
+def test_notify_lambda_with_state_machine_input_with_error_message():
+    from etl.notify import notify
+
+    assert notify.handler(event=STATE_MACHINE_INPUT_WITH_ERROR_MESSAGE) == "fail"
+
+
+@pytest.mark.integration
+def test_notify_lambda_without_error_message():
+    notify_lambda_arn = read_terraform_output("sds_etl.value.notify_lambda_arn")
+
+    lambda_client = boto3.client("lambda")
+    response = lambda_client.invoke(
+        FunctionName=notify_lambda_arn,
+        Payload=json.dumps([{"message": "test"}]).encode(),
+    )
+    assert response["Payload"].read() == "pass"
+
+
+@pytest.mark.integration
+def test_notify_lambda_with_error_message():
+    notify_lambda_arn = read_terraform_output("sds_etl.value.notify_lambda_arn")
+
+    lambda_client = boto3.client("lambda")
+    response = lambda_client.invoke(
+        FunctionName=notify_lambda_arn,
+        Payload=json.dumps(
+            [
+                {
+                    "message": "test",
+                    "error_message": "this is an error",
+                }
+            ]
+        ).encode(),
+    )
+    assert response["Payload"].read() == "fail"
diff --git a/src/layers/etl_utils/trigger/notify.py b/src/layers/etl_utils/trigger/notify.py
index ccc4b35ce..66c6065ca 100644
--- a/src/layers/etl_utils/trigger/notify.py
+++ b/src/layers/etl_utils/trigger/notify.py
@@ -18,10 +18,12 @@ def notify(
     response = lambda_client.invoke(
         FunctionName=function_name,
         Payload=json.dumps(
-            {
-                "message": f"{status} '{trigger_type}' trigger of state machine.",
-                "error_message": error_message,
-            }
+            [
+                {
+                    "message": f"{status} '{trigger_type}' trigger of state machine.",
+                    "error_message": error_message,
+                }
+            ]
         ).encode(),
     )
     return response["Payload"].read()