Composite type which includes both a FirebaseError object and an index which can be used to get the errored item.
Signature:
exportinterfaceFirebaseArrayIndexErrorProperties
| Property | Type | Description |
|---|---|---|
| error | FirebaseError | The error object. |
| index | number | The index of the errored item within the original array passed as part of the called API method. |
FirebaseArrayIndexError.error
The error object.
Signature:
error:FirebaseError;FirebaseArrayIndexError.index
The index of the errored item within the original array passed as part of the called API method.
Signature:
index:number;Example
varregistrationTokens=[token1,token2,token3];admin.messaging().subscribeToTopic(registrationTokens,'topic-name').then(function(response){if(response.failureCount > 0){console.log("Following devices unsucessfully subscribed to topic:");response.errors.forEach(function(error){varinvalidToken=registrationTokens[error.index];console.log(invalidToken,error.error);});}else{console.log("All devices successfully subscribed to topic:",response);}}).catch(function(error){console.log("Error subscribing to topic:",error);});