# isLogLevel

**Kind:** Function

**Source:** [`packages/common/services/utils/is-log-level.util.ts`](https://github.com/nestjs/nest/blob/master/packages/common/services/utils/is-log-level.util.ts#L6)

**Part of:** [Common](subsystem-packages-common)

## Signature

```ts
function isLogLevel(maybeLogLevel: any): maybeLogLevel is LogLevel
```

## Parameters

| Name | Type |
|---|---|
| `maybeLogLevel` | `any` |

**Returns:** `maybeLogLevel is LogLevel`