diff --git a/src/features/phone_esm/straw/main.py b/src/features/phone_esm/straw/main.py
index e69de29b..8ed3db5d 100644
--- a/src/features/phone_esm/straw/main.py
+++ b/src/features/phone_esm/straw/main.py
@@ -0,0 +1,7 @@
+import pandas as pd
+
+
+def straw_features(sensor_data_files, time_segment, provider, filter_data_by_segment, *args, **kwargs):
+    # empty for now
+    your_features_df = pd.DataFrame()
+    return(your_features_df)