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[Home](./index.md) &gt; [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) &gt; [Authenticator](./ibm-cloud-sdk-core.authenticator.md) &gt; [(constructor)](./ibm-cloud-sdk-core.authenticator._constructor_.md)

## Authenticator.(constructor)

Create a new Authenticator instance.

**Signature:**

```typescript
constructor();
```

## Exceptions

Error: the "new" keyword was not used to construct the authenticator.