diff --git a/paddle/fluid/API.spec b/paddle/fluid/API.spec
index 085e09b502a1fe3383081d4488f972ac6fcdb588..fe9d8e25625cc9e4afa91129a670292dc4c777d4 100644
--- a/paddle/fluid/API.spec
+++ b/paddle/fluid/API.spec
@@ -255,6 +255,7 @@ paddle.fluid.layers.logical_xor ArgSpec(args=[], varargs='args', keywords='kwarg
 paddle.fluid.layers.logical_not ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
 paddle.fluid.layers.uniform_random_batch_size_like ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
 paddle.fluid.layers.gaussian_random ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
+paddle.fluid.layers.sampling_id ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
 paddle.fluid.layers.gaussian_random_batch_size_like ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
 paddle.fluid.layers.sum ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
 paddle.fluid.layers.slice ArgSpec(args=[], varargs='args', keywords='kwargs', defaults=None)
diff --git a/python/paddle/fluid/layers/ops.py b/python/paddle/fluid/layers/ops.py
index 7cd62efda8900c830f43d882a41ab03184ebe594..129252653dc139b7405626e6fd410704a4ad06d9 100644
--- a/python/paddle/fluid/layers/ops.py
+++ b/python/paddle/fluid/layers/ops.py
@@ -64,6 +64,7 @@ __all__ = [
     'logical_not',
     'uniform_random_batch_size_like',
     'gaussian_random',
+    'sampling_id',
     'gaussian_random_batch_size_like',
     'sum',
     'slice',