# saveClientId

Learn how to store the resolved client ID.

An implementation must store the given client ID so that [`getClientId`](get-client-id) returns it on subsequent requests.

## Signature

This method has the following signature:

```php
public function saveClientId(Uuid $clientId): void
```

This method stores the given client ID and returns nothing.

## Parameters

The following list describes the supported parameters:

- `clientId`: [`Uuid`](/reference/sdk/php/api/storage/uuid)

  The client ID to store.