---
jsApi: true
title: "[F] $contains"

---
```ts
$contains(
   context, 
   target, 
   value): void
```

## Parameters

| Parameter | Type |
| :------ | :------ |
| `context` | `DecoratorContext` |
| `target` | `Model` \| `ModelProperty` |
| `value` | `Type` |

## Returns

`void`
