How to solve the URL problem

HELLO 1 everyone , i new in kodular. I have a problem.I need this Extension.

whern I check this link show this

here, this link:

1 Like

This extension allow you to send & receive push notifications by OneSignal,

which i will download .

where I found the api key in onesignal website

is this what you need?

show this error

Download the latest aia and see it’s uses and requirement.