diff --git a/docs/transform_request.rst b/docs/transform_request.rst
index 56fdcad0..00b0ac9f 100644
--- a/docs/transform_request.rst
+++ b/docs/transform_request.rst
@@ -32,7 +32,7 @@ The General Section
 ^^^^^^^^^^^^^^^^^^^
 The General section of the request includes the following fields:
 
-* (Optional) ``OutputFormat``: Can be ``root-ttree`` (default) or ``parquet``
+* (Optional) ``OutputFormat``: Can be ``root-ttree`` (default) or ``parquet`` (you can also use the enums ``servicex.OutputFormat.root_ttree`` and ``servicex.OutputFormat.parquet``)
 * (Optional) ``Delivery``: Can be ``URLs`` or ``LocalCache`` (default)
 
 In general, if you are running on your laptop away from the ServiceX site and are working with a small amount of
diff --git a/servicex/__init__.py b/servicex/__init__.py
index e31f6df5..dc2bd9e6 100644
--- a/servicex/__init__.py
+++ b/servicex/__init__.py
@@ -27,12 +27,14 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 from servicex.databinder_models import Sample, General, ServiceXSpec
 from servicex.servicex_client import deliver
-from .models import ResultFormat, ResultDestination
+from .models import ResultDestination
 import servicex.dataset as dataset
 import servicex.query as query
 
+OutputFormat = General.OutputFormatEnum
+
 __all__ = [
-    "ResultFormat",
+    "OutputFormat",
     "ResultDestination",
     "Sample",
     "General",
diff --git a/tests/test_databinder.py b/tests/test_databinder.py
index 40cd9695..eae36fb3 100644
--- a/tests/test_databinder.py
+++ b/tests/test_databinder.py
@@ -2,7 +2,7 @@
 from unittest.mock import patch
 from pydantic import ValidationError
 
-from servicex import ServiceXSpec, dataset
+from servicex import ServiceXSpec, dataset, OutputFormat
 from servicex.query_core import ServiceXException
 from servicex.servicex_client import ReturnValueException
 from servicex.dataset import FileList, Rucio
@@ -93,6 +93,21 @@ def test_list_of_root_files():
     ]
 
 
+def test_output_format():
+    spec = basic_spec()
+    spec['General'] = {'OutputFormat': 'root-ttree'}
+    ServiceXSpec.model_validate(spec)
+    spec['General'] = {'OutputFormat': 'parquet'}
+    ServiceXSpec.model_validate(spec)
+    spec['General'] = {'OutputFormat': OutputFormat.root_ttree}
+    ServiceXSpec.model_validate(spec)
+    spec['General'] = {'OutputFormat': OutputFormat.parquet}
+    ServiceXSpec.model_validate(spec)
+    with pytest.raises(ValidationError):
+        spec['General'] = {'OutputFormat': 'root-tree'}
+        ServiceXSpec.model_validate(spec)
+
+
 def test_rucio_did():
     spec = ServiceXSpec.model_validate(
         basic_spec(
diff --git a/tests/test_dataset_group.py b/tests/test_dataset_group.py
index f603decf..9fa2ad6a 100644
--- a/tests/test_dataset_group.py
+++ b/tests/test_dataset_group.py
@@ -29,7 +29,7 @@
 
 import pytest
 
-from servicex import ResultFormat
+from servicex.models import ResultFormat
 from servicex.dataset_group import DatasetGroup
 from servicex.query_core import ServiceXException