diff --git a/src/main/java/com/example/cosmos_serversb/jsons/MembersJson.java b/src/main/java/com/example/cosmos_serversb/jsons/MembersJson.java
new file mode 100644
index 0000000..5ef9da5
--- /dev/null
+++ b/src/main/java/com/example/cosmos_serversb/jsons/MembersJson.java
@@ -0,0 +1,31 @@
+package com.example.cosmos_serversb.jsons;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import com.example.cosmos_serversb.entities.*;
+
+
+public class MembersJson {
+    private Set<User> member = new HashSet<>();
+
+    public MembersJson(){
+
+    }
+
+    public MembersJson(Group group){
+        setMember(group.getMembers());
+    }
+
+    public MembersJson(Set<User> set){
+        setMember(set);
+    }
+
+    private void setMember(Set<User> member) {
+        this.member = member;
+    }
+
+    public Set<User> getMember() {
+        return member;
+    }
+}