# isStandardSchemaValidator

# Function: isStandardSchemaValidator()

```ts
function isStandardSchemaValidator(validator): validator is StandardSchemaV1<unknown, unknown>;
```

Defined in: [packages/form-core/src/standardSchemaValidator.ts:110](https://github.com/TanStack/form/blob/main/packages/form-core/src/standardSchemaValidator.ts#L110)

## Parameters

### validator

`unknown`

## Returns

`validator is StandardSchemaV1<unknown, unknown>`