This is root element of this document which contains name space definitions for the document elements.
It's a referenced element. For detailed description, please refer referenced element doc.
Description is not available.
Unique identifier for the item.
This field contains a number identifying the user-defined attribute.
Provide an extension hook to customize ItemUDAFFRef.
This type can hold a string of max length of 25 characters.
This type can hold a number of digits count 5.