DOCSP-30350 code examples and additional getCategory information

Author: mballard-mdb

source/crud/operation-error-handling.txt

@@ -79,15 +79,18 @@ error message:
 .. code-block:: none
    :copyable: false
 
-WriteError{code=11000, message='E11000 duplicate key error
-collection: testDB.testCollection index: _id_ dup key: { _id: 1 }',
-details=Document{{}}}  
+   WriteError{code=11000, message='E11000 duplicate key error
+   collection: testDB.testCollection index: _id_ dup key: { _id: 1 }',
+   details=Document{{}}}  
 
 In the preceding error message, the ``message`` field describes the reason for
 the error, and the ``details`` field provides specific details about the failing
 operation. To address this error, you must revise the document to have a unique
 ``ObjectId``.
 
+If you run the ``getCategory`` method on this ``WriteError`` object, it would
+return an ``ErrorCategory`` of ``DUPLICATE_KEY``.
+
 Bulk Write Error
 ----------------