ibm-cloud-sdk-core/build/docs/ibm-cloud-sdk-core.useroptions.authenticator.md

Core functionality to support SDKs generated with IBM's OpenAPI SDK Generator.

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[Home](./index.md) &gt; [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) &gt; [UserOptions](./ibm-cloud-sdk-core.useroptions.md) &gt; [authenticator](./ibm-cloud-sdk-core.useroptions.authenticator.md)

## UserOptions.authenticator property

The Authenticator object used to authenticate requests to the service

**Signature:**

```typescript
authenticator?: AuthenticatorInterface;
```