---
title: "TypeChecker | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-atoms-js/reference/design-atoms/TypeChecker/"
---

# TypeChecker

> `boolean`

## Interfaces

### ITypeDescription

#### Properties

##### classType?

```ts
optional classType?: any;
```

##### name

```ts
name: string;
```

##### type?

```ts
optional type?: string;
```

## Functions

### check()

```ts
function check(data, types): boolean;
```

#### Parameters

| Parameter | Type |
| ------ | ------ |
| `data` | \{ \} |
| `types` | [`ITypeDescription`](#itypedescription)[] |

#### Returns