This is a library that can be used by an end user application to embedded a FCM distributor. An example application is available to show basic usage of the library.
Please refer to https://unifiedpush.org/kdoc/embedded_fcm_distributor/ for more information.
Registration to FCM WebPush endpoints comes from the documentation on this gist: https://gist.github.com/mar-v-in/2a054e3a4c0a508656549fc7d0aaeb74#webpush
This project is funded through NGI Zero Core, a fund established by NLnet with financial support from the European Commission's Next Generation Internet program. Learn more at the NLnet project page.