SAR-149 Updated the documentation.

README.md

@@ -142,25 +142,21 @@ Log message formats:
   - Transaction [id]: Exception [name]
     --Stacktrace--
 
-```bash
-
-1|2020-09-15T11:01:20.380Z|INFO|MainThread|__enter__|transactions.py#46||Transaction [txn-T0001-20200914-00005]: Enter [Command] with parameters [{"other": ["config", 1, 2, 3.0]}]
-1|2020-09-15T11:01:20.381Z|INFO|MainThread|__exit__|transactions.py#54||Transaction [txn-T0001-20200914-00005]: Exit [Command]
+```txt
 
+1|2020-09-22T11:43:22.760Z|INFO|Dummy-1|__enter__|transactions.py#124|tango-device:log/test/upstream|Transaction [txn-local-20200922-232544376]: Enter[CallWithContext] with parameters[{"ArgKey2": "ArgVal2"}] 
+1|2020-09-22T11:43:22.782Z|INFO|Dummy-1|__exit__|transactions.py#133|tango-device:log/test/upstream|Transaction[txn-local-20200922-232544376]: Exit[CallWithContext] 
 ```
 
 **Example ska formatted logs for failed transaction**
 
-```bash
-1|2020-09-15T10:54:17.266Z|INFO|MainThread|__enter__|transactions.py#46||Start transaction Scan, txn-T0001-20200914-00005, {"other": ["config", 1, 2, 3.0]}
-
-1|2020-09-15T10:54:17.266Z|ERROR|MainThread|__exit__|transactions.py#51||Transaction application encountered exception executing Scan, txn-T0001-20200914-00005
+```txt
+1|2020-09-22T11:45:07.122Z|ERROR|Dummy-1|__exit__|transactions.py#131|tango-device:log/test/upstream|Transaction[txn-local-20200922-362753747]: Exception[CallRaisesException]               
 Traceback (most recent call last):                                                                                                                                                           
-  File "/ska-telescope/ska-logging/tests/test_transactions.py", line 93, in test_exception_logs_transaction_id_and_command
-    raise RuntimeError("Something went wrong")
-RuntimeError: Something went wrong
-1|2020-09-15T10:54:17.266Z|INFO|MainThread|__exit__|transactions.py#54||Exit transaction Scan, txn-T0001-20200914-00005
-
+  File "LogTestUpstream.py", line 47, in CallRaisesException                                                                                                                                 
+    raise RuntimeError("An exception has occured")                                                                                                                                           
+RuntimeError: An exception has occured                                                                                                                                                       
+1|2020-09-22T11:45:07.123Z|INFO|Dummy-1|__exit__|transactions.py#133|tango-device:log/test/upstream|Transaction[txn-local-20200922-362753747]: Exit[CallRaisesException]
 ```
 
 Requirements