Godot 4 simple healthbar

extends Node2D

@export var playerHealth : int = 100 #set this in the max value of progress bar
var healthBar : ProgressBar
var healthLabel : Label

func _ready():
    healthBar = $HealthBar
    healthBar.value = playerHealth

    healthLabel = $HealthBar/HealthLabel
    healthLabel.text = str(playerHealth)

#testing it works

func _input(event):
    if event is InputEventKey and event.keycode == KEY_E:
        if event.pressed:
            playerHealth -= 10

            #stop player health going below 0
            if playerHealth <0:
                playerHealth = 0

            healthBar.value = playerHealth
            healthLabel.text = str(playerHealth)

            print ("Took 10 damage. Current Health: " + str(playerHealth))