diff --git a/src/main/java/object/UserId.java b/src/main/java/object/UserId.java
new file mode 100644
index 0000000..c68ce68
--- /dev/null
+++ b/src/main/java/object/UserId.java
@@ -0,0 +1,36 @@
+package object;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class UserId implements Serializable {
+    private String userid;
+    private String email;
+
+    public UserId() {}
+
+    public UserId(String userid, String email) {
+        this.userid = userid;
+        this.email = email;
+    }
+
+    // getters and setters
+    public String getUserid() { return userid; }
+    public void setUserid(String userid) { this.userid = userid; }
+
+    public String getEmail() { return email; }
+    public void setEmail(String email) { this.email = email; }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        UserId userId = (UserId) o;
+        return Objects.equals(userid, userId.userid) && Objects.equals(email, userId.email);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(userid, email);
+    }
+}
\ No newline at end of file