o-nikolas commented on code in PR #62962:
URL: https://github.com/apache/airflow/pull/62962#discussion_r2897913633


##########
providers/amazon/src/airflow/providers/amazon/aws/operators/sagemaker_unified_studio.py:
##########
@@ -101,6 +101,11 @@ class SageMakerNotebookOperator(BaseOperator):
     """
 
     operator_extra_links = (SageMakerUnifiedStudioLink(),)
+    # These fields are declared as template_fields so Airflow resolves XCom 
references
+    # (e.g. task_instance.xcom_pull(...)) to actual string values before 
execute() is called.
+    # Without this, the hook would be instantiated with unresolved 
PlainXComArg objects,
+    # causing a ParamValidationError when the underlying SDK tries to use them 
as strings.
+    template_fields = ("domain_id", "project_id", "domain_region")

Review Comment:
   This was marked as resolved but no change was made or answer to the 
question. Unresolving this comment.



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