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Interface representing the status of a message sent to an individual device via the FCM legacy APIs.

See Send to individual devices for code samples and detailed documentation.

Index

Properties

Optional canonicalRegistrationToken

canonicalRegistrationToken: string

The canonical registration token for the client app that the message was processed and sent to. You should use this value as the registration token for future requests. Otherwise, future messages might be rejected.

Optional error

The error that occurred when processing the message for the recipient.

Optional messageId

messageId: string

A unique ID for the successfully processed message.