ibm-cloud-sdk-core/build/docs/ibm-cloud-sdk-core.bearertokenauthenticator._constructor_.md

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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) &gt; [BearerTokenAuthenticator](./ibm-cloud-sdk-core.bearertokenauthenticator.md) &gt; [(constructor)](./ibm-cloud-sdk-core.bearertokenauthenticator._constructor_.md)

## BearerTokenAuthenticator.(constructor)

Create a new BearerTokenAuthenticator instance.

**Signature:**

```typescript
constructor(options: Options);
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

options


</td><td>

Options


</td><td>

Configuration options for bearer authentication. This should be an object containing the "bearerToken" field.


</td></tr>
</tbody></table>

## Exceptions

Error: the options.bearerToken field is not valid, or unspecified