diff --git a/Core.Thalos.Domain/Contexts/Onboarding/Request/UserRequest.cs b/Core.Thalos.Domain/Contexts/Onboarding/Request/UserRequest.cs
index 8af4687..6a35ba2 100644
--- a/Core.Thalos.Domain/Contexts/Onboarding/Request/UserRequest.cs
+++ b/Core.Thalos.Domain/Contexts/Onboarding/Request/UserRequest.cs
@@ -54,5 +54,13 @@ namespace Core.Thalos.Domain.Contexts.Onboarding.Request
         [BsonRepresentation(BsonType.ObjectId)]
         [JsonPropertyName("roleId")]
         public string RoleId { get; set; } = null!;
+
+        /// <summary>
+        /// Gets or sets the tenant ID of the user.
+        /// </summary>
+        [BsonElement("tenantId")]
+        [BsonRepresentation(BsonType.ObjectId)]
+        [JsonPropertyName("tenantId")]
+        public string TenantId { get; set; } = null!;
     }
 }