Signal

		[Signal]
		delegate void AttackedEventHandler();

		// Additional arguments may be declared.
		// These arguments must be passed when the signal is emitted.
		[Signal]
		delegate void ItemDroppedEventHandler(string itemName, int amount);
		

		public override void _Ready()
		{
			var button = new Button();
			// C# supports passing signals as events, so we can use this idiomatic construct:
			button.ButtonDown += OnButtonDown;

			// This assumes that a `Player` class exists, which defines a `Hit` signal.
			var player = new Player();
			// We can use lambdas when we need to bind additional parameters.
			player.Hit += () => OnPlayerHit("sword", 100);
		}

		private void OnButtonDown()
		{
			GD.Print("Button down!");
		}

		private void OnPlayerHit(string weaponType, int damage)
		{
			GD.Print($"Hit with weapon {weaponType} for {damage} damage.");
		}
		

		public override void _Ready()
		{
			var button = new Button();
			// Option 1: In C#, we can use signals as events and connect with this idiomatic syntax:
			button.ButtonDown += OnButtonDown;
			// Option 2: GodotObject.Connect() with a constructed Callable from a method group.
			button.Connect(Button.SignalName.ButtonDown, Callable.From(OnButtonDown));
			// Option 3: GodotObject.Connect() with a constructed Callable using a target object and method name.
			button.Connect(Button.SignalName.ButtonDown, new Callable(this, MethodName.OnButtonDown));
		}

		private void OnButtonDown()
		{
			GD.Print("Button down!");
		}
		

		public override void _Ready()
		{
			// This assumes that a `Player` class exists, which defines a `Hit` signal.
			var player = new Player();
			// Using lambda expressions that create a closure that captures the additional parameters.
			// The lambda only receives the parameters defined by the signal's delegate.
			player.Hit += (hitBy, level) => OnPlayerHit(hitBy, level, "sword", 100);

			// Parameters added when emitting the signal are passed first.
			player.EmitSignal(SignalName.Hit, "Dark lord", 5);
		}

		// We pass two arguments when emitting (`hit_by`, `level`),
		// and bind two more arguments when connecting (`weapon_type`, `damage`).
		private void OnPlayerHit(string hitBy, int level, string weaponType, int damage)
		{
			GD.Print($"Hit by {hitBy} (level {level}) with weapon {weaponType} for {damage} damage.");
		}