diff --git a/odataorganizer/service.xsodata b/odataorganizer/service.xsodata
index 85d44b2..85486d7 100644
--- a/odataorganizer/service.xsodata
+++ b/odataorganizer/service.xsodata
@@ -46,6 +46,7 @@ service  {
         dependent "EventChangeable"("EventID") multiplicity "1";   
 
     "com.sap.sapmentors.sitreg.odataorganizer.procedures::ParticipantsRead" as "Participants" key  ("ID")
+        navigates ("Participant_Ticket" as "Ticket" )
     create forbidden
     update forbidden 
     delete forbidden;
@@ -69,4 +70,13 @@ service  {
 
     association "Event_PrePostEveningEventNumbers" principal "Events"("ID") multiplicity "1"
         dependent "PrePostEveningEventNumbers"("EventID") multiplicity "1";
+
+    // Read Ticket from View to restrict fields that can be read
+    "com.sap.sapmentors.sitreg.odatareceptionist.procedures::TicketRead" as "Ticket" key ("ParticipantID")
+    create forbidden 
+    update forbidden
+    delete forbidden;
+
+    association "Participant_Ticket" principal "Participants"("ID") multiplicity "1"
+        dependent "Ticket"("ParticipantID") multiplicity "1"; 
 }
\ No newline at end of file
diff --git a/odatareceptionist/service.xsodata b/odatareceptionist/service.xsodata
index 77bc596..690cd93 100644
--- a/odatareceptionist/service.xsodata
+++ b/odatareceptionist/service.xsodata
@@ -18,7 +18,7 @@
 service  { 
 
     "com.sap.sapmentors.sitreg.odataparticipant.procedures::EventsRead" as "Events" key ("ID")
-        navigates ("Event_Ticket"              as "Ticket", 
+        navigates ("Event_Ticket"              as "Tickets", 
                    "Event_Participants"        as "Participants", 
                    "Event_RegistrationNumbers" as "RegistrationNumbers")
     create forbidden 
@@ -27,7 +27,7 @@ service  {
     
     // Read Participants from View to restrict fields that can be read
     "com.sap.sapmentors.sitreg.odataparticipant.procedures::ParticipantsRead" as "Participants" key ("ID")
-        navigates ("Participant_Ticket" as "EventTicket" )
+        navigates ("Participant_Ticket" as "Ticket" )
     create forbidden 
     update forbidden
     delete forbidden;
@@ -45,7 +45,7 @@ service  {
     delete forbidden;
     
     association "Event_Ticket" principal "Events"("ID") multiplicity "1"
-        dependent "Ticket"("EventID") multiplicity "1";
+        dependent "Ticket"("EventID") multiplicity "*";
     association "Event_Participants" principal "Events"("ID") multiplicity "1"
         dependent "Participants"("EventID") multiplicity "*";
     association "Event_RegistrationNumbers" principal "Events"("ID") multiplicity "1"
diff --git a/roles/organizer.hdbrole b/roles/organizer.hdbrole
index 975bc6d..1006541 100644
--- a/roles/organizer.hdbrole
+++ b/roles/organizer.hdbrole
@@ -5,6 +5,7 @@ role com.sap.sapmentors.sitreg.roles::organizer {
     sql object com.sap.sapmentors.sitreg.odataparticipant.procedures::RegistrationNumbersRead: SELECT;
     sql object com.sap.sapmentors.sitreg.odataorganizer.procedures::PrePostEveningEventNumbersRead: SELECT;
     sql object com.sap.sapmentors.sitreg.odataorganizer.procedures::ParticipantsRead: SELECT;
+    sql object com.sap.sapmentors.sitreg.odatareceptionist.procedures::TicketRead: SELECT;
     sql object com.sap.sapmentors.sitreg.odataorganizer.procedures::EventChangeableRead: SELECT;
     sql object com.sap.sapmentors.sitreg.odataorganizer.procedures::CoOrganizerCreate: //Objecttype: PROCEDURE
     	EXECUTE;
diff --git a/test/spec/CoOrganizerReadParticipants.js b/test/spec/CoOrganizerReadParticipants.js
index 64a7547..e7a0c5f 100644
--- a/test/spec/CoOrganizerReadParticipants.js
+++ b/test/spec/CoOrganizerReadParticipants.js
@@ -24,13 +24,14 @@ describe("Login COORGANIZER", function() {
 
 describe("Read participant details of event 1", function() {
     it("should return participant details", function() {
-        var participantUri = eventUri + "/Participants";
+        var participantUri = eventUri + "/Participants?$expand=Ticket";
         var xhr = prepareRequest("GET", participantUri);
         xhr.send();
         expect(xhr.status).toBe(200);
         var body = xhr.responseText ? JSON.parse(xhr.responseText) : "";
         expect(body.d.results.length).toBe(1);
         expect(body.d.results[0].EMail).toBe(EMail);
+        expect(body.d.results[0].Ticket.TicketUsed).toBe("N");
     });
 });