Notification using strapi

Hey i am running a startup it’s a hyperlocal news and market place for a community. OUR users will be 100k to 150k .We will be posting daily 50+news articles .Our stack Flutter, dart , strapi.io database MONGOGODB .server Aws everything is dockerized . Currently for CMS managing we are using strapi for admin .So problem is strapi gives us rest api.But when we publish a new article of news (eg:notification =true,null,false when we click notification true .It should give a notification) currently with strapi we cannt do it. So whats the best ideal solution for A admin pannel