API Code: Upload File to Custom Field
From SmartWiki
The following is an sample of code that would upload a file to a specified field using the API:
Dim tk As New SmartComClient.Toolkit
Dim CurrentSession As SmartComClient.Session
Dim rtn As String
Set CurrentSession = tk.LoginUser("alias", "alias.smartsimple.com", "myname@mydomain.com", "mypassword")
If CurrentSession Is Nothing Then
MsgBox tk.getLastErr()
Else
rtn = tk.uploadFileField(CurrentSession, 12345, 98765, "d:\temp\sample.pdf")
MsgBox rtn
End If
Note: 12345 is the target custom field ID and 98765 is the Level 1 ID
This API may not work for files larger than 64MB in size.