​
Introduction

Pusher Beams can be used to send to either the users or to the interests. At least one mode out of web, apns or fcm is required.

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Send to interests

{
  "message": {
    "to": {
      "pusherBeams": {
        "interests": ["interest-1", "interest-2"],
        "mode": ["apns", "fcm"]
      }
    }
  }
}

​
Send to users

{
  "message": {
    "to": {
      "pusherBeams": {
        "userIds": ["user-id-1", "user-id-2"],
        "mode": ["apns", "fcm"]
      }
    }
  }
}
OneSignal PushIntroduction