Tried one more user value

@@ -90,7 +90,7 @@ ILAP:PlannedActivity_2
               "55000"^^xsd:float ;
       ILAP:hasActivityWorkVolume
               "1500"^^xsd:float ;
-      ILAP:hasUserField <http://data.posccaesar.org/ilap/USERFIELDS/hasIndexCode> .
+      ILAP:hasUserField <http://data.posccaesar.org/ilap/USERFIELDS/hasIndexCode> , <http://data.posccaesar.org/ilap/USERFIELDS/hasExecutionMilestone> .
 
 ILAP:ProjectExecutionPlan_1
       rdf:type ILAP:ProjectExecutionPlan ;
@@ -150,7 +150,8 @@ ILAP:SAB_51_1
 
 ILAP:ScheduledActivity_1
       rdf:type ILAP:ScheduledActivity ;
-      rdfs:label "Scheduled activity 1"^^xsd:string .
+      rdfs:label "Scheduled activity 1"^^xsd:string ;
+      ILAP:hasUserField <http://data.posccaesar.org/ilap/USERFIELDS/hasExecutionMilestone> .
 
 ILAP:ScheduledMilestone_1
       rdf:type ILAP:ScheduledMilestone ;
@@ -194,6 +195,11 @@ ILAP:UserField
                         "1"^^xsd:nonNegativeInteger
               ] .
 
+ILAP:UserFieldClass
+      rdf:type rdfs:Class ;
+      rdfs:label "User field class"^^xsd:string ;
+      rdfs:subClassOf owl:Class .
+
 ILAP:WorkOrder_1
       rdf:type ILAP:WorkOrder ;
       rdfs:label "Work order 1"^^xsd:string .