This will create and persist a file in database and then link it into the fileHolder field value.
You will need to save this item to persist the value in database.
Note : this is different from .Files.Add() that will only create a non-yet-persisted instance of a file.
Namespace:Packflow.Core Assembly:
MicaSystems.Packflow.Core (in MicaSystems.Packflow.Core.dll) Version: 1.0.0.0 (3.2.0.306)