> ## Documentation Index
> Fetch the complete documentation index at: https://docs.revoengine.com/llms.txt
> Use this file to discover all available pages before exploring further.

# serviceAccount.updateKey()

> Public low-code contract, signatures and examples for serviceAccount.updateKey.

## `serviceAccount.updateKey()`

expireAt is immutable here; use rotateKey to change the successor expiry.

### Signature

```ts theme={null}
static updateKey(ref: ServiceAccountRef, userKeyId: string, input: ServiceAccountKeyUpdateInput): Promise<ServiceAccountKey>;
```

### Example

```ts theme={null}
const key = await serviceAccount.getKey('erp-sync', input.userKeyId);
await serviceAccount.updateKey('erp-sync', key.userKeyId, { version: key.version, name: 'primary' });
```

See [all serviceAccount methods](https://docs.revoengine.com/low-code/reference/serviceAccount.md) or [runtime basics](https://docs.revoengine.com/low-code/overview.md).


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