diff --git a/src/userprofile-lambda/src/models/register.rs b/src/userprofile-lambda/src/models/register.rs
index 5238708..076f1f4 100644
--- a/src/userprofile-lambda/src/models/register.rs
+++ b/src/userprofile-lambda/src/models/register.rs
@@ -1,10 +1,12 @@
 use serde::Deserialize;
 
 use common::models::database as DB;
+use uuid::Uuid;
 
 #[allow(dead_code)]
 #[derive(Deserialize, Debug)]
 pub struct RegisterUserPayload {
+    user_id: Uuid,
     routine: RoutineData,
     scores: DB::PersonalityScores,
     preferences: Vec<String>,