How do i flip my character to face in the direction hes moving

Im new to unity and C# and im completely lost on how to flip my character. plz help!

 public class PlayerController : MonoBehaviour
 
 {
     public float moveSpeed = 5f;
     public bool isGrounded = false;
 
 
     void Start()
     {
 
     }
 
     void Update()
     {
         Jump(); // Allows The player to Jump
         Vector3 movement = new Vector3(Input.GetAxisRaw("Horizontal"), 0f, 0f);
         transform.position += movement * Time.deltaTime * moveSpeed; //Allows player to move left and right
 
     }
 
     void Jump()
     {
         if (Input.GetButtonDown("Jump") && isGrounded == true)
         {
             gameObject.GetComponent<Rigidbody2D>().AddForce(new Vector2(0f, 5f), ForceMode2D.Impulse);
         }
 
 
     }
 }

,Im new to unity and C# and im completely lost on how to flip my character depending on what direction he is facing. What should i add to this script to make him flip the other direction. plz help!

public class PlayerController : MonoBehaviour { public float moveSpeed = 5f; public bool isGrounded = false; void Start() { } void Update() { Jump(); // Allows The player to Jump Vector3 movement = new Vector3(Input.GetAxisRaw("Horizontal"), 0f, 0f); transform.position += movement * Time.deltaTime * moveSpeed; //Allows player to move left and right } void Jump() { if (Input.GetButtonDown("Jump") && isGrounded == true) { gameObject.GetComponent<Rigidbody2D>().AddForce(new Vector2(0f, 5f), ForceMode2D.Impulse); } } } ,