AddAttachment Method
Adds an attachment to a specific item of a list.
Syntax
splist.addAttachment(itemId, fileName, [callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
AddAttachment uploads the attachment specified by FileName to the item specified by ItemId.
If AllowLocalFile is set to True and LocalFile is specified, LocalFile will be uploaded. In this case the FileName parameter specifies the name of the file in SharePoint.