diff --git a/SfeduSchedule/DTO/ModeusScheduleRequestDTO.cs b/SfeduSchedule/DTO/ModeusScheduleRequestDTO.cs
index 53be687..31d993e 100644
--- a/SfeduSchedule/DTO/ModeusScheduleRequestDTO.cs
+++ b/SfeduSchedule/DTO/ModeusScheduleRequestDTO.cs
@@ -2,12 +2,14 @@ using System.ComponentModel;
 
 namespace SfeduSchedule
 {
-    public class ModeusScheduleRequest(int size, DateTime timeMin, DateTime timeMax, List<Guid> attendeePersonId)
+    public class ModeusScheduleRequest(int size, DateTime timeMin, DateTime timeMax, List<Guid>? attendeePersonId, List<Guid>? roomId)
     {
+        [DefaultValue(10)]
         public int Size { get; set; } = size;
         public DateTime TimeMin { get; set; } = timeMin;
         public DateTime TimeMax { get; set; } = timeMax;
-        public List<Guid> AttendeePersonId { get; set; } = attendeePersonId;
+        public List<Guid>? AttendeePersonId { get; set; } = attendeePersonId;
+        public List<Guid>? RoomId { get; set; } = roomId;
     }
 
     public class RoomSearchRequest