How to change UIPageViewController from another ViewController (parent)?

Question

iOS

There is a ViewController in it through the ContainerView "fitted" UIPageViewController which changes by scroll.
How to switch values ​​of UIPageViewController "from the outside", namely from the ViewController in which it is inscribed through the container?

Answer 1

A little hint: how should you switch what you want to switch in UIPageViewControllerler ? Obviously - refer to a certain method, or property, UIPageViewController .
So, this is exactly how you need to switch, what you want to switch - from ViewController, refer to an instance of the UIPageViewController class and - switch.