Adds a new (unconfirmed) file in an item field.
BUT if the file (name) already exists in the field, its content is directly updated
(no need for a confirmation).
Namespace:Packflow.Interface.Services Assembly:
MicaSystems.Packflow.Interface (in MicaSystems.Packflow.Interface.dll) Version: 1.0.0.0 (2.0.0.223)