XMLNode.Attributes (Word)
Returns an XMLNodes collection that represents the attributes for the specified element.
All XMLNode objects in the XMLNodes collection returned by using the Attributes property have a NodeType property value of wdXMLNodeAttribute.
Sub AddIDAttribute()
Dim objElement As XMLNode
Dim objAttribute As XMLNode
For Each objElement In ActiveDocument.XMLNodes
If objElement.NodeType = wdXMLNodeElement Then
If objElement.BaseName = "book" Then
Set objAttribute = objElement.Attributes _
.Add("author", objElement.NamespaceURI)
objAttribute.NodeValue = "David Barber"
Exit For
End If
End If
Next
End Sub