Godot v4.0 Script dont wor. Help🙏

Pls help my script doesnt work in Godot 4.

Here script:
extends CharacterBody2D

var speed = 100
var jump_force = 20
var gravity = 5

var vel = Vector2()

onready var image_player = $player

func _physics_process(delta: float) → void:
vel.x = 0 # Сбрасываем горизонтальную скорость

if Input.is_action_pressed("player_left"):
    vel.x -= speed
elif Input.is_action_pressed("player_right"):
    vel.x += speed

vel = move_and_slide(vel, Vector2.UP)

if vel.x < 0:
    image_player.flip_h = true
elif vel.x > 0:
    image_player.flip_h = false

Eror: extends CharacterBody2D

var speed = 100
var jump_force = 20
var gravity = 5

var vel = Vector2()

onready var image_player = $player

func _physics_process(delta: float) → void:
vel.x = 0 # Сбрасываем горизонтальную скорость

if Input.is_action_pressed("player_left"):
    vel.x -= speed
elif Input.is_action_pressed("player_right"):
    vel.x += speed

vel = move_and_slide(vel, Vector2.UP)

if vel.x < 0:
    image_player.flip_h = true
elif vel.x > 0:
    image_player.flip_h = false

eror extends CharacterBody2D

var speed = 100
var jump_force = 20
var gravity = 5

var vel = Vector2()

onready var image_player = $player

func _physics_process(delta: float) → void:
vel.x = 0 # Сбрасываем горизонтальную скорость

if Input.is_action_pressed("player_left"):
    vel.x -= speed
elif Input.is_action_pressed("player_right"):
    vel.x += speed

vel = move_and_slide(vel, Vector2.UP)

if vel.x < 0:
    image_player.flip_h = true
elif vel.x > 0:
    image_player.flip_h = false

extends CharacterBody2D

var speed = 100
var jump_force = 20
var gravity = 5

var vel = Vector2()

onready var image_player = $player

func _physics_process(delta: float) → void:
vel.x = 0 # Сбрасываем горизонтальную скорость

if Input.is_action_pressed("player_left"):
    vel.x -= speed
elif Input.is_action_pressed("player_right"):
    vel.x += speed

vel = move_and_slide(vel, Vector2.UP)

if vel.x < 0:
    image_player.flip_h = true
elif vel.x > 0:
    image_player.flip_h = false

Line 7:Unexpected “Identifier” in class body.

I think you are missing the @ from your onready annotation:

@onready var image_player = $player