Read-write. Indicates whether an item is of type Authors. An Authors item contains a list of Notes user names, indicating people who have Author access to a particular document.
Boolean
To get: flag = notesItem.IsAuthors
To set: notesItem.IsAuthors= flag
An Authors item is stored as text and its Type property returns TEXT. Use IsAuthors to determine if a text item is also an Authors item.
The IsSummary property is set to True when setting the IsAuthors property. Therefore, you do not have to explicitly set the summary flag.
IsAuthors property in Java Item class
@Author function in formula language
See examples