# getIdentifier

Learn how to get the public identifier of the API key.

This method provides the public identifier of the API key.

## Signature

This method has the following signature:

```php
public function getIdentifier(): string
```

This method returns the public identifier of the key.

## Example

Here is a basic example of how to use this method:

```php
<?php
use Croct\Plug\ApiKey;

$apiKey = ApiKey::parse('f47ac10b-58cc-4372-a567-0e02b2c3d479');

$identifier = $apiKey->getIdentifier();
```