Flutter OneSignal push notification issue - flutter

I need to push notification from my WordPress blog to my flutter app using one signal plugin and it works fine to receive a notification when a new post added in my blog, So my problem is when i clicked on the notification in my Android phone it redirect me to post url, I need to open my app, not my site url.
please any can help me.

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Flutter Local Notification Issue

https://pub.dev/packages/flutter_local_notifications
I got a question. I use flutter notification package. My app open the web link from notification when the app is in background stage. However, it does not open the browser link when the app is in terminated stage or close. Is there any specific things to resolve that issue?
Thanks.

Flutter notification and redirect page

I am developing a reminder app with flutter. I want to send a scheduled notification from the application and redirect it to the notification page when the incoming notification is clicked.
I tried this with flutter awesome. When I clicked on the notification, I was not successful in sending to the page.
source
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Please help me out.

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I went through this App requests successful, but no notification shown but can't find the solution. I don't know what to put in my canvas URL.
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Solved ..... Your mobile app must pe on facebook (i.e on facebook appcenter ) ..then only it will be shown as notification
I faced the similar issue .. there is something that need to be done on FB App settings->Basic, Add another platform "Facebook Canvas". This solved the issue
The canvas apps means- the apps displayed inside facebook.com.
I think you are having the mobile app not a canvas app, so Notification API, which is still in beta do not supports the notification in mobile. Acc to doc-
Currently, only apps on Facebook.com can use App Notifications. Notifications are only surfaced on the desktop version of Facebook.com
So instead of notifications API, you can use different kind of Requests- whichever is more significant in your case.