I am trying to create two objects here: a user and a manager. I have the user object which has an id, and a manager which has his own unique id idManager, and an id which is from the user, OneToOne relationship between them. The backend part is working and i checked everything with postman, so it works from there. when i try to do it from frontend, for some reason the id of the user doesn’t go to the idUser in the manager object.
I will put the code for the createManager

createManager() {

        const formData = {
            email: this.createManagerForm.value.managerEmail,
            password: this.createManagerForm.value.managerPassword,
            role: 'MANAGER'
        };

        let idUser: string | undefined;

        this.userService.createUser(formData).subscribe({

            next: (user) => {
                idUser = user.id;

                console.log(user);

                this.createManagerForm.reset();
            },
            error: (err) => {
                // Handle error in user creation
                console.error('Error creating user:', err);
            }
        });

        console.log(idUser);

        const managerFormData = {
            name: this.createManagerForm.value.managerName,
            status: this.createManagerForm.value.managerStatus,
            user: idUser
        };

        this.managerService.createManager(managerFormData).subscribe({
            next: (manager) => {
                console.log('Manager created:', manager);
            },
            error: (err) => {
                console.error('Error creating manager:', err);
            }
        });

    }

Here are the interfaces

import {UserModel} from "./user.model";
import {EventModel} from "./event.model";

export interface ManagerModel {
  idManager: string;
  user: UserModel;
  eventList: EventModel[];
  name: string;
  status: string;
}

import {RoleModel} from "./role.model";

export interface UserModel {
  id?: string;
  email: string;
  password: string;
  role: string;
}

I know it was not ok to use the entire model instead of just a string (because im using UUID’s).

In the console i get the undefined when im trying to see just the user.id, but when i try to see the user object, there the id is set.

How can i fix that?