diff --git a/README.md b/README.md
index 0080a98..6a19349 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,11 @@ oct_volume.save_projection('projection.png') # save 2D projection
 
 fundus_image = fds.read_fundus_image()  # returns a  Fundus image with additional metadata if available
 fundus_image.save('fds_testing_fundus.jpg')
+
+# extract all other metadata
+metadata = fds.read_all_metadata(verbose=True)
+with open("fds_metadata.json", "w") as outfile:
+    outfile.write(json.dumps(metadata, indent=4))
 ```
 
 ## Contributions