A Superior Reference entity has one characteristic attribute: Access Point. You can use the ADD, SET, SHOW and REMOVE directives on this attribute. Syntax: ADD DSA SUPERIOR REFERENCE ACCESS POINT {<value>} REMOVE DSA SUPERIOR REFERENCE ACCESS POINT {<value>} SET DSA SUPERIOR REFERENCE ACCESS POINT {<value>} SHOW DSA SUPERIOR REFERENCE ACCESS POINT where <value> is the value. The Access Point attribute is single-valued.Additional Information: explode extract