Test operation.
For a remove or replace operation, if
-no old value is specified
-DoNotCheckConcflicts=true is not specified in the query string
-VersionNumber is not specified in the query string
a test is mandatory to check the previous value has not changed since
last item load.
Remove
1
Remove oprtation. Clears the value of a field.
Add
2
Add operation. CURRENTLY PARTIALLY HANDLED.
Only handled for these field types: Choice, Note, Numeric, Text, User.
Replace
3
Replace operation. Sets a value in an item's field.