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I know its possible to get the fcm token from multiple senders.I want to subscribe topic to multiple senders, not token. How can I do that ?

Hans1984
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Soyeon Kim
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1 Answers1

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You can't subscribe a topic to a Sender.

With that said, I think you're confusing topics as something that is similar to a registration token. It is different.

Each Sender may have their own topics that a token could subscribe to. With that, each Sender (say we have Sender1 and Sender2), may have a topic that is named news. Their corresponding tokens (see about enabling Multiple Senders here) must then be subscribed to both.

AL.
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  • Your link just for 'token' but I want to using 'topic'. So is impossible to subscribe topic to multiple senders? – Soyeon Kim Jul 11 '17 at 08:35
  • Each multiple senders has thier unique topic but I don't know how to subscribe. When I subscribe topic, then just 1 sender (configurated in google-services.json) got topic. How can I subscribe topic to multiple senders? – Soyeon Kim Jul 11 '17 at 08:38
  • Just as what I mentioned at the start, you can't subscribe a topic to a Sender. You're going to have to create the topic for each sender and subscribe the token for each. – AL. Jul 11 '17 at 08:44
  • Thank you for answer. I wonder how can I do like 'Have to create the topic for each sender' as you said. – Soyeon Kim Jul 11 '17 at 08:52
  • You could do it from the Server. See [here](https://stackoverflow.com/a/42712028/4625829) – AL. Jul 11 '17 at 10:20