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Firebase Cloud Messaging

Enviar notificações push pelo Firebase Cloud Messaging (FCM)
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Overview

This node sends push notifications via Firebase Cloud Messaging (FCM). It supports sending messages to a single device token, multiple device tokens, a topic, or a condition expression. Users can customize the notification title, body, and additional fields such as images, collapse keys, TTL, Android-specific options, and custom data payloads. It is useful for automating push notifications in applications, alert systems, or marketing campaigns.

Use Case Examples

  1. Send a notification to a single device using its FCM token.
  2. Broadcast a message to multiple devices by providing a list of tokens.
  3. Send a notification to all devices subscribed to a specific topic.
  4. Use a condition expression to target devices based on multiple topics.

Properties

Name Meaning
Disparo para Selects the target type for the push notification (single token, multiple tokens, topic, or condition).
Device Token The FCM device token to send the notification to (required if target is 'token').
Device Tokens List of device tokens (one per line or comma-separated) to send notifications to (used if target is 'tokens').
Topic The topic name to send the notification to (used if target is 'topic').
Condition Condition expression to target devices (used if target is 'condition').
Título Notification title text.
Mensagem Notification body text.
Campos Adicionais Additional optional fields to customize the notification, including image URL, collapse key, TTL, Android priority, Android notification settings (channel ID, sound, click action, color), custom data key-value pairs, JSON data object, raw JSON message, and whether to merge raw JSON with the constructed message.

Output

JSON

  • json - Response from the Firebase Cloud Messaging API for each sent message.

Dependencies

  • Google Firebase FCM API credentials with service account JSON and project ID

Troubleshooting

  • Ensure the Google Firebase FCM API credentials are correctly configured with valid service account JSON and project ID.
  • Verify that the device tokens or topics are valid and correctly formatted.
  • Check the format of the TTL and other optional fields to avoid API errors.
  • If using raw JSON message, ensure it is valid JSON and correctly structured to avoid request failures.

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