From 5d4743a12a3de3c0c331071ae72d5354391c373b Mon Sep 17 00:00:00 2001
From: SONG Ge <38711238+sgwhat@users.noreply.github.com>
Date: Wed, 30 Mar 2022 16:48:39 +0800
Subject: [PATCH] [Orca] Update Orca Python API Docs (#4327)

* update orca api docs
---
 .../source/doc/PythonAPI/Orca/orca.rst        | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/docs/readthedocs/source/doc/PythonAPI/Orca/orca.rst b/docs/readthedocs/source/doc/PythonAPI/Orca/orca.rst
index 5e038f8b..947279e1 100644
--- a/docs/readthedocs/source/doc/PythonAPI/Orca/orca.rst
+++ b/docs/readthedocs/source/doc/PythonAPI/Orca/orca.rst
@@ -27,6 +27,29 @@ orca.learn.tf2.estimator
     :undoc-members:
     :show-inheritance:
 
+
+orca.learn.tf2.tf2_ray_estimator
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Orca TF2Estimator with backend of "horovod" or "tf2".
+
+.. autoclass:: bigdl.orca.learn.tf2.ray_estimator.TensorFlow2Estimator
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+
+orca.learn.tf2.tf2_spark_estimator
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Orca TF2Estimator with backend of "spark".
+
+.. autoclass:: bigdl.orca.learn.tf2.pyspark_estimator.SparkTFEstimator
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+
 orca.learn.pytorch.estimator
 -----------------------------