persistentEditAttributes 

A group of attributes to keep track of by whom and when the property value was changed with a persistent ID

Attribute Group Information

Attributes

QName Type Fixed Default Use Inheritable Annotation
creator QCodeType optional 
If the element is empty, specifies which entity (person, organisation or system) will edit the property - expressed by a QCode. If the element is non-empty, specifies which entity (person, organisation or system) has edited the property.
creatoruri IRIType optional 
If the element is empty, specifies which entity (person, organisation or system) will edit the property - expressed by a URI. If the element is non-empty, specifies which entity (person, organisation or system) has edited the property.
id xs:ID optional 
The local identifier of the element which MUST be persistent for all versions of the item, i.e. for its entire lifecycle.
modified DateOptTimeType optional 
The date (and, optionally, the time) when the property was last modified. The initial value is the date (and, optionally, the time) of creation of the property.

Source 

<xs:attributeGroup name="persistentEditAttributes">
  <xs:annotation>
    <xs:documentation>A group of attributes to keep track of by whom and when the property value was changed with a persistent ID</xs:documentation>
  </xs:annotation>
  <xs:attribute name="id" type="xs:ID" use="optional">
    <xs:annotation>
      <xs:documentation>The local identifier of the element which MUST be persistent for all versions of the item, i.e. for its entire lifecycle.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
  <xs:attribute name="creator" type="QCodeType" use="optional">
    <xs:annotation>
      <xs:documentation>If the element is empty, specifies which entity (person, organisation or system) will edit the property - expressed by a QCode. If the element is non-empty, specifies which entity (person, organisation or system) has edited the property.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
  <xs:attribute name="creatoruri" type="IRIType" use="optional">
    <xs:annotation>
      <xs:documentation>If the element is empty, specifies which entity (person, organisation or system) will edit the property - expressed by a URI. If the element is non-empty, specifies which entity (person, organisation or system) has edited the property.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
  <xs:attribute name="modified" type="DateOptTimeType" use="optional">
    <xs:annotation>
      <xs:documentation>The date (and, optionally, the time) when the property was last modified. The initial value is the date (and, optionally, the time) of creation of the property.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
</xs:attributeGroup>