How to only interact with child of sizer in scrollable panel?

[Dinh Dai Ngo]

I create a scrollable panel with the code below, but I can not find way to only interact with the child of the sizer (here is the button), please help me

[Rex]

Sorry for missing this issue.
Here is the solution of interactive with children of scrollable panel.
The easy way is to set scene.input.topOnly to false.

[Rex]

Or, disable scroller by adding

{
    // ...
    scroller: false
}

in config parameter of creating scrollablepanel

[Dinh Dai Ngo]

Thanks for replying me rex, but I am still stuck in that issue. The situation is I just want to be able to click in the red marked button in the picture

[Rex]

Here is a test case, interactive logic is at line 49-62.