call other object's script function from other function

Question

am using GDScript and i have other object with function called Change_Location, and am trying to call this function from other script
the code:

$CameraBody/Camera/BuyHouses/StaticBody.Change_Location(mx, my)

the object CameraBody is not recognized but its exists in the world node
can someone help me?

the whole function:

func on_input_event(camera, event, click_position, click_normal, shape_idx):
    var mouse_click = event as InputEventMouseButton
    if mouse_click and mouse_click.button_index == 1 and mouse_click.pressed:
        print("clicked")
        var mouse_pos = get_viewport().get_mouse_position()
        var mx = mouse_pos.x
        var my = mouse_pos.y
        $CameraBody/Camera/BuyHouses/StaticBody.Change_Location(mx, my)

Answer 1

i fixed it, i had to navigate to the location of the node

$"../../CameraBody/Camera/BuyHouses/MenuLoc".Change_Location(mx, my)