A system name followed by 1 or more group values representing the
groups that a user wanting access to the document must be a member of. Logic for the
group list being boolean AND vs OR is System defined.
This attribute is only a placeholder so that all the ISM attributes are not shown
in the schemaGuide for every element. If you refer to the documentation of the
attribute group it will say what attributes should be here.
Source
<xsd:element name="AccessGroup"><xsd:annotation><xsd:documentation>A system name followed by 1 or more group values representing the groups that a user wanting access to the document must be a member of. Logic for the group list being boolean AND vs OR is System defined.</xsd:documentation></xsd:annotation><xsd:complexType><xsd:sequence minOccurs="1" maxOccurs="1"><xsd:element ref="ntk:AccessSystemName" minOccurs="1" maxOccurs="1"/><xsd:element ref="ntk:AccessGroupValue" minOccurs="1" maxOccurs="unbounded"/></xsd:sequence><xsd:attributeGroup ref="ism:SecurityAttributesGroup"/></xsd:complexType></xsd:element>