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| 1 | +Project: /docs/reference/js/_project.yaml |
| 2 | +Book: /docs/reference/_book.yaml |
| 3 | +page_type: reference |
| 4 | + |
| 5 | +{% comment %} |
| 6 | +DO NOT EDIT THIS FILE! |
| 7 | +This is generated by the JS SDK team, and any local changes will be |
| 8 | +overwritten. Changes should be made in the source code at |
| 9 | +https://github.com/firebase/firebase-js-sdk |
| 10 | +{% endcomment %} |
| 11 | + |
| 12 | +# @firebase/telemetry |
| 13 | + |
| 14 | +## Functions |
| 15 | + |
| 16 | +| Function | Description | |
| 17 | +| --- | --- | |
| 18 | +| <b>function(app, ...)</b> | |
| 19 | +| [getTelemetry(app)](./telemetry_.md#gettelemetry_cf608e1) | Returns the default [Telemetry](./telemetry_.telemetry.md#telemetry_interface) instance that is associated with the provided [FirebaseApp](./app.firebaseapp.md#firebaseapp_interface)<!-- -->. If no instance exists, initializes a new instance with the default settings. | |
| 20 | +| <b>function(telemetry, ...)</b> | |
| 21 | +| [captureError(telemetry, error, attributes)](./telemetry_.md#captureerror_862e6b3) | Enqueues an error to be uploaded to the Firebase Telemetry API. | |
| 22 | +| [flush(telemetry)](./telemetry_.md#flush_8975134) | Flushes all enqueued telemetry data immediately, instead of waiting for default batching. | |
| 23 | + |
| 24 | +## Interfaces |
| 25 | + |
| 26 | +| Interface | Description | |
| 27 | +| --- | --- | |
| 28 | +| [Telemetry](./telemetry_.telemetry.md#telemetry_interface) | An instance of the Firebase Telemetry SDK.<!-- -->Do not create this instance directly. Instead, use [getTelemetry()](./telemetry_.md#gettelemetry_cf608e1)<!-- -->. | |
| 29 | + |
| 30 | +## Namespaces |
| 31 | + |
| 32 | +| Namespace | Description | |
| 33 | +| --- | --- | |
| 34 | +| [Instrumentation](./telemetry_.instrumentation.md#instrumentation_namespace) | | |
| 35 | + |
| 36 | +## Variables |
| 37 | + |
| 38 | +| Variable | Description | |
| 39 | +| --- | --- | |
| 40 | +| [nextOnRequestError](./telemetry_.md#nextonrequesterror) | Automatically report uncaught errors from server routes to Firebase Telemetry. | |
| 41 | + |
| 42 | +## function(app, ...) |
| 43 | + |
| 44 | +### getTelemetry(app) {:#gettelemetry_cf608e1} |
| 45 | + |
| 46 | +Returns the default [Telemetry](./telemetry_.telemetry.md#telemetry_interface) instance that is associated with the provided [FirebaseApp](./app.firebaseapp.md#firebaseapp_interface)<!-- -->. If no instance exists, initializes a new instance with the default settings. |
| 47 | + |
| 48 | +<b>Signature:</b> |
| 49 | + |
| 50 | +```typescript |
| 51 | +export declare function getTelemetry(app?: FirebaseApp): Telemetry; |
| 52 | +``` |
| 53 | + |
| 54 | +#### Parameters |
| 55 | + |
| 56 | +| Parameter | Type | Description | |
| 57 | +| --- | --- | --- | |
| 58 | +| app | [FirebaseApp](./app.firebaseapp.md#firebaseapp_interface) | The [FirebaseApp](./app.firebaseapp.md#firebaseapp_interface) to use. | |
| 59 | + |
| 60 | +<b>Returns:</b> |
| 61 | + |
| 62 | +[Telemetry](./telemetry_.telemetry.md#telemetry_interface) |
| 63 | + |
| 64 | +The default [Telemetry](./telemetry_.telemetry.md#telemetry_interface) instance for the given [FirebaseApp](./app.firebaseapp.md#firebaseapp_interface)<!-- -->. |
| 65 | + |
| 66 | +### Example |
| 67 | + |
| 68 | + |
| 69 | +```javascript |
| 70 | +const telemetry = getTelemetry(app); |
| 71 | + |
| 72 | +``` |
| 73 | + |
| 74 | +## function(telemetry, ...) |
| 75 | + |
| 76 | +### captureError(telemetry, error, attributes) {:#captureerror_862e6b3} |
| 77 | + |
| 78 | +Enqueues an error to be uploaded to the Firebase Telemetry API. |
| 79 | + |
| 80 | +<b>Signature:</b> |
| 81 | + |
| 82 | +```typescript |
| 83 | +export declare function captureError(telemetry: Telemetry, error: unknown, attributes?: AnyValueMap): void; |
| 84 | +``` |
| 85 | + |
| 86 | +#### Parameters |
| 87 | + |
| 88 | +| Parameter | Type | Description | |
| 89 | +| --- | --- | --- | |
| 90 | +| telemetry | [Telemetry](./telemetry_.telemetry.md#telemetry_interface) | The [Telemetry](./telemetry_.telemetry.md#telemetry_interface) instance. | |
| 91 | +| error | unknown | The caught exception, typically an | |
| 92 | +| attributes | AnyValueMap | = Optional, arbitrary attributes to attach to the error log | |
| 93 | + |
| 94 | +<b>Returns:</b> |
| 95 | + |
| 96 | +void |
| 97 | + |
| 98 | +### flush(telemetry) {:#flush_8975134} |
| 99 | + |
| 100 | +Flushes all enqueued telemetry data immediately, instead of waiting for default batching. |
| 101 | + |
| 102 | +<b>Signature:</b> |
| 103 | + |
| 104 | +```typescript |
| 105 | +export declare function flush(telemetry: Telemetry): Promise<void>; |
| 106 | +``` |
| 107 | + |
| 108 | +#### Parameters |
| 109 | + |
| 110 | +| Parameter | Type | Description | |
| 111 | +| --- | --- | --- | |
| 112 | +| telemetry | [Telemetry](./telemetry_.telemetry.md#telemetry_interface) | The [Telemetry](./telemetry_.telemetry.md#telemetry_interface) instance. | |
| 113 | + |
| 114 | +<b>Returns:</b> |
| 115 | + |
| 116 | +Promise<void> |
| 117 | + |
| 118 | +a promise which is resolved when all flushes are complete |
| 119 | + |
| 120 | +## nextOnRequestError |
| 121 | + |
| 122 | +Automatically report uncaught errors from server routes to Firebase Telemetry. |
| 123 | + |
| 124 | +<b>Signature:</b> |
| 125 | + |
| 126 | +```typescript |
| 127 | +nextOnRequestError: Instrumentation.onRequestError |
| 128 | +``` |
| 129 | + |
| 130 | +### Example |
| 131 | + |
| 132 | + |
| 133 | +```javascript |
| 134 | +// In instrumentation.ts (https://nextjs.org/docs/app/guides/instrumentation): |
| 135 | +export { nextOnRequestError as onRequestError } from 'firebase/telemetry' |
| 136 | + |
| 137 | +``` |
| 138 | + |
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