app-store中是否有预先构建的“推送”iOS开发者应用程序？

I'm building a server-side "push" notification capability for various (specific) iOS apps my company makes. I'm not a mobile developer. I understand there's a "p12" certificate I'd need, and that the mobile client must provide the "token" I use to initiate the push from the server.I'm building a server-side "push" notification