function sendMulticast()

in messaging/index.js [154:181]

• 22 lines of code
• 3 McCabe index (conditional complexity)

function sendMulticast() {
  // [START fcm_send_multicast]
  // These registration tokens come from the client FCM SDKs.
  const registrationTokens = [
    'YOUR_REGISTRATION_TOKEN_1',
    // …
    'YOUR_REGISTRATION_TOKEN_N',
  ];

  const message = {
    data: {score: '850', time: '2:45'},
    tokens: registrationTokens,
  };

  getMessaging().sendMulticast(message)
    .then((response) => {
      if (response.failureCount > 0) {
        const failedTokens = [];
        response.responses.forEach((resp, idx) => {
          if (!resp.success) {
            failedTokens.push(registrationTokens[idx]);
          }
        });
        console.log('List of tokens that caused failures: ' + failedTokens);
      }
    });
  // [END fcm_send_multicast]
}