Function identifyUser

identifyUser(value: string): void
Safe wrapper for dynatrace.identifyUser which reverts to a noop if RUM JavaScript is not available.
Parameters
- value: string
  The name of the user. For example, use a name, userid, or your user's email address.
Returns void
Example
```
import { identifyUser } from '@dynatrace/rum-javascript-sdk/api';

identifyUser('john.doe@example.com');
```