Im triying to add a walk animation to this script but i cant. (ive only been able to add jump anim and idle)

Questions & Answers
1

using System;
using System.Collections;
using UnityEngine;
using UnityEngine.InputSystem;

[RequireComponent(typeof(CharacterController))]
public class PlayerController : MonoBehaviour
{
#region Variables: Movement

public Animator playerAnim;

private Vector2 _input;
private CharacterController _characterController;
private Vector3 _direction;

[SerializeField] private float speed;

#endregion
#region Variables: Rotation

[SerializeField] private float smoothTime = 0.05f;
private float _currentVelocity;

#endregion
#region Variables: Gravity

private float _gravity = -9.81f;
[SerializeField] private float gravityMultiplier = 3.0f;
private float _velocity;

#endregion
#region Variables: Jumping

[SerializeField] private float jumpPower;
private int _numberOfJumps;
[SerializeField] private int maxNumberOfJumps = 2;

#endregion

private void Awake()
{
    _characterController = GetComponent<CharacterController>();
}

private void Update()
{
    ApplyGravity();
    ApplyRotation();
    ApplyMovement();

    if (IsGrounded() )
    {
        playerAnim.SetBool("Jump", true);
    }
    else
    {
        playerAnim.SetBool("Jump", false);
    }
}

private void ApplyGravity()
{
    if (IsGrounded() && _velocity < 0.0f)
    {
        _velocity = -1.0f;
    }
    else
    {
        _velocity += _gravity * gravityMultiplier * Time.deltaTime;
    }
    
    _direction.y = _velocity;
}

private void ApplyRotation()
{
    if (_input.sqrMagnitude == 0) return;
    
    var targetAngle = Mathf.Atan2(_direction.x, _direction.z) * Mathf.Rad2Deg;
    var angle = Mathf.SmoothDampAngle(transform.eulerAngles.y, targetAngle, ref _currentVelocity, smoothTime);
    transform.rotation = Quaternion.Euler(0.0f, angle, 0.0f);
}

private void ApplyMovement()
{
    
    _characterController.Move(_direction * speed * Time.deltaTime);
}

public void Move(InputAction.CallbackContext context)
{
    _input = context.ReadValue<Vector2>();
    _direction = new Vector3(_input.x, 0.0f, _input.y);
}

public void Jump(InputAction.CallbackContext context)
{
    if (!context.started) return;
    if (!IsGrounded() && _numberOfJumps >= maxNumberOfJumps) return;
    if (_numberOfJumps == 0) StartCoroutine(WaitForLanding());
    
    _numberOfJumps++;
    _velocity = jumpPower;
}

private IEnumerator WaitForLanding()
{
    yield return new WaitUntil(() => !IsGrounded());
    yield return new WaitUntil(IsGrounded);

    _numberOfJumps = 0;
}

private bool IsGrounded() => _characterController.isGrounded;

}