How do you do this in Godot 4?

[system]

	Attention	Topic was automatically imported from the old Question2Answer platform.
	Asked By	dtrawick98

I’m trying to create a menu using the Menu Button node. I cannot figure out how to use get_popup().connect because it gives me the error: ‘Invalid argument for “connect”: argument 2 should be “Callable” but is “res//GD_Scripts/MenuButton.gd”’

[system]

	Reply From:	spaceyjase

func _ready():
    get_popup().connect("id_pressed", _on_id_pressed)

func _on_id_pressed():
    # do amazing
    pass

Or:

get_popup().connect("id_pressed", func(): print("id_pressed!"))

Callable