Specify child scene placeholder

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:bust_in_silhouette: Asked By ApmeM

Hi,

I want to write my own popup control with predefined buttons and some behavior.
I created a separate scene and build a layout using ‘Control’ section of nodes (margin, h/vBox containers etc.)
And now I need to specify the position in this tree where all the nodes, specified in consumer tree will be placed.
e.g. I have Main screen:

Main
–MyCustomPopup
----Label1
----Button1

These label and button should be located under VBoxContainer in MyCustomPopup tree:

MyCustomPopup
–MarginContainer
----Panel
------VBoxContainer
--------HERE
----Other containers

How can I implement it?