What is the purpose of this text field

[kadimi]

I was wondering if this input field offer some hidden feature.

Thanks

[raveren]

When you click on the arrow on the far right of every kint container, it pops out in a new window, this can be used for keeping track, comparing dumps or whatever. You can use this field to jolt something about what you're seeing :)

[raveren]

I mean the tiny blue arrow -> like in this picture

[kadimi]

Thanks!