Interface representing the server response from the legacy method.

See [Send to a topic](/docs/cloud-messaging/admin/send-messages#send_to_a_topic) for code samples and detailed documentation.

Signature:

export interface MessagingTopicResponse 

Properties

Property Type Description
messageId number The message ID for a successfully received request which FCM will attempt to deliver to all subscribed devices.

MessagingTopicResponse.messageId

The message ID for a successfully received request which FCM will attempt to deliver to all subscribed devices.

Signature:

messageId: number;