diff --git a/v2/skyflow/client/__init__.py b/v2/skyflow/client/__init__.py
index 7f40ee0..1e682f1 100644
--- a/v2/skyflow/client/__init__.py
+++ b/v2/skyflow/client/__init__.py
@@ -1 +1 @@
-from .skyflow import Skyflow
\ No newline at end of file
+from ._skyflow import Skyflow
\ No newline at end of file
diff --git a/v2/skyflow/client/skyflow.py b/v2/skyflow/client/_skyflow.py
similarity index 96%
rename from v2/skyflow/client/skyflow.py
rename to v2/skyflow/client/_skyflow.py
index 949ae82..639697f 100644
--- a/v2/skyflow/client/skyflow.py
+++ b/v2/skyflow/client/_skyflow.py
@@ -20,7 +20,7 @@ def __init__(self):
             self._vault_config = []
             self._connection_config = []
             self._skyflow_credentials = None
-            self._log_level = None
+            self._log_level = LogLevel.ERROR
 
         def add_vault_config(self, vault_config):
             self._vault_config.append(vault_config)
diff --git a/v2/skyflow/error/__init__.py b/v2/skyflow/error/__init__.py
index 710220a..0306c09 100644
--- a/v2/skyflow/error/__init__.py
+++ b/v2/skyflow/error/__init__.py
@@ -1 +1 @@
-from skyflow_error import SkyflowError
\ No newline at end of file
+from _skyflow_error import SkyflowError
\ No newline at end of file
diff --git a/v2/skyflow/error/skyflow_error.py b/v2/skyflow/error/_skyflow_error.py
similarity index 100%
rename from v2/skyflow/error/skyflow_error.py
rename to v2/skyflow/error/_skyflow_error.py
diff --git a/v2/skyflow/utils/enums/__init__.py b/v2/skyflow/utils/enums/__init__.py
index 1eb8dbb..e42d7ec 100644
--- a/v2/skyflow/utils/enums/__init__.py
+++ b/v2/skyflow/utils/enums/__init__.py
@@ -1 +1 @@
-from enums import LogLevel
\ No newline at end of file
+from _enums import LogLevel
\ No newline at end of file
diff --git a/v2/skyflow/utils/enums/enums.py b/v2/skyflow/utils/enums/_enums.py
similarity index 100%
rename from v2/skyflow/utils/enums/enums.py
rename to v2/skyflow/utils/enums/_enums.py
diff --git a/v2/skyflow/vault/controller/_audit.py b/v2/skyflow/vault/controller/_audit.py
index 67ecd6f..96aab2f 100644
--- a/v2/skyflow/vault/controller/_audit.py
+++ b/v2/skyflow/vault/controller/_audit.py
@@ -2,5 +2,7 @@ class Audit:
     #members
     def __init__(self):
         pass
-    #methods
+
+    def list(self):
+        pass
     
\ No newline at end of file
diff --git a/v2/skyflow/vault/controller/_bin_look_up.py b/v2/skyflow/vault/controller/_bin_look_up.py
index 5e85e08..242cb64 100644
--- a/v2/skyflow/vault/controller/_bin_look_up.py
+++ b/v2/skyflow/vault/controller/_bin_look_up.py
@@ -2,4 +2,6 @@ class BinLookUp:
     #members
     def __init__(self):
         pass
-    #methods
\ No newline at end of file
+
+    def get(self):
+        pass
\ No newline at end of file
diff --git a/v2/skyflow/vault/controller/_connections.py b/v2/skyflow/vault/controller/_connections.py
index 0f0caa8..7fb97bb 100644
--- a/v2/skyflow/vault/controller/_connections.py
+++ b/v2/skyflow/vault/controller/_connections.py
@@ -2,4 +2,6 @@ class Connection:
     #members
     def __init__(self):
         pass
-    #methods
\ No newline at end of file
+
+    def invoke(self):
+        pass
\ No newline at end of file
diff --git a/v2/skyflow/vault/model/__init__.py b/v2/skyflow/vault/model/__init__.py
index b1c4f2a..ff9c388 100644
--- a/v2/skyflow/vault/model/__init__.py
+++ b/v2/skyflow/vault/model/__init__.py
@@ -1,7 +1,7 @@
-from v2.skyflow.vault.model.insert_request import (
+from v2.skyflow.vault.model._insert_request import (
     InsertRequest
 )
 
-from v2.skyflow.vault.model.insert_response import (
+from v2.skyflow.vault.model._insert_response import (
     InsertResponse
 )
\ No newline at end of file
diff --git a/v2/skyflow/vault/model/detokenize_request.py b/v2/skyflow/vault/model/_detokenize_request.py
similarity index 100%
rename from v2/skyflow/vault/model/detokenize_request.py
rename to v2/skyflow/vault/model/_detokenize_request.py
diff --git a/v2/skyflow/vault/model/detokenize_response.py b/v2/skyflow/vault/model/_detokenize_response.py
similarity index 100%
rename from v2/skyflow/vault/model/detokenize_response.py
rename to v2/skyflow/vault/model/_detokenize_response.py
diff --git a/v2/skyflow/vault/model/insert_request.py b/v2/skyflow/vault/model/_insert_request.py
similarity index 100%
rename from v2/skyflow/vault/model/insert_request.py
rename to v2/skyflow/vault/model/_insert_request.py
diff --git a/v2/skyflow/vault/model/insert_response.py b/v2/skyflow/vault/model/_insert_response.py
similarity index 100%
rename from v2/skyflow/vault/model/insert_response.py
rename to v2/skyflow/vault/model/_insert_response.py