How do I create a widget on the lock screen?

With iOS 16, you can add widgets to your Lock Screen to get information at a glance — for example, what's the next task or what's the next schedule event and countdown timer
Please follow the instructions below.

1. Touch and hold the lock screen until the Customize button appears, then touch it.
2. Select Lock Screen.
3. Tap Add Widgets.
4. Tap or drag the widgets that you want to add to the Lock Screen.
5. When you're finished, tap the close button, then tap Done.