samples.md in synapse_payments-0.2.1 vs samples.md in synapse_payments-0.3.0

@@ -104,12 +104,14 @@
   	{ question_id: 5, answer_id: 1 }
   ]
 )
 ```
 
-#### Attach photo ID
+#### Attach photo ID or another file type
 
-NOTE: Action needs to be implemented.
+```ruby
+response = user_client.attach_file(full_file_path)
+```
 
 #### Add a bank account
 
 ```ruby
 response = user_client.add_bank_account(