# reqwest.json

## Function

Set the JSON request body.

## Syntax

```bt
reqwest(url).json(value)
```

## Parameters

| Parameters | Type | Required | Default value | Description |
| ------ | ------ | ------ | ------ | ------ |
| value | Any | No | Null | The BT value to convert to JSON. |

## Return value

| Type | Description |
| ------ | ------ |
| Reqwest | Returns the new request builder. |

## Example

```bt
request = reqwest('https://example.com').method('POST').json({name: 'BT'})
result = type(request)

// Output: Reqwest
print result
```

## Notes

- BT Array/Object is converted to JSON Array/Object; other library objects are written to JSON as strings.
- Body, json, form, and multipart will all set the request body; the last request body set in the same request will take effect.