KnowledgeBase/CII.md

@@ -1903,9 +1903,17 @@ Type "help", "copyright", "credits" or "license" for more information.
 
 ```plaintext
 >>> elt.oldb.CiiOldbGlobal.set_write_enabled(True)
+>>> if not oldb.data_point_exists(Uri("cii.oldb:/ccs/tst/tmp1")):
 >>>    oldb.create_data_point_by_value (Uri("cii.oldb:/ccs/tst/tmp1"), "my text")
 ```
 
+… and, to write a datapoint:
+
+```plaintext
+>>> elt.oldb.CiiOldbGlobal.set_write_enabled(True)
+>>> oldb.get_data_point (Uri("cii.oldb:/ccs/tst/tmp1")).write_value("my text")
+```
+
 … and, to read a datapoint:
 
 ```plaintext