How to use Apple certificate
Overview.ApplePushNotificationservice(APNs)mustknowtheaddressofauser'sdevicebeforeitcansendnotificationstothatdevice.,Generatenotificationsandpushthemtouserdevices....UsebasicmacOScommand-linetoolstosendpushnotificationstoApplePushNotificationser...。參考影片的文章的如下: