Push Notification is not working on all Device

Hi, I am using Ionic 4 Cordova Native FCM Plugin to push notification, but when i install apk to android device the notification is not sent to all devices, it is only work on one device, the rest device are not receiving notification.

Please help.
Thank you

Can you please share the screenshot of the code and the notification payload as well.

use one signal plugin ionic for the best push notification