To allow or block the chrome notification see the following steps:-
1. The top right, click More Settings.
2. Go Under "Privacy and security," click Content settings.
Clicked on Content Settings:-
3. Choose Notifications.
4. Choose to block or allow notifications:
- lock all: Turn off Ask before sending.
- Block a site: Next to "Block," click Add. Enter the site and click Add.
- Allow a site: Next to "Allow," click Add. Enter the site and click Add.