How can I use this type of widget in GTK 3?

Development Core
1

Hi,
I wanted to know what is this widget(from gtk4-widget-factory)

Screenshot from 2021-07-17 16-44-17
Screenshot from 2021-07-17 16-44-171440×900 92.8 KB

I wanted to use it in my GTK3 app but I couldn’t find any info about it

2

It’s a GtkScale widget, with marks underneath the trough.

Whenever you want to know the structure of a GTK application, you should use the Inspector.