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[Home](./index.md) &gt; [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) &gt; [BaseService](./ibm-cloud-sdk-core.baseservice.md) &gt; [getAuthenticator](./ibm-cloud-sdk-core.baseservice.getauthenticator.md)

## BaseService.getAuthenticator() method

Get the instance of the authenticator set on the service.

**Signature:**

```typescript
getAuthenticator(): any;
```
**Returns:**

any

the Authenticator instance