# transforms

The `transforms` option of an extract field.

Transforms applied in order to the raw string before it is parsed.

Type: `"trim" | "lowercase" | "uppercase" | "strip_html" | "first" | "last" or object[]`

## Example

```json
{
  "heading": {
    "selector": "h1",
    "type": "text",
    "transforms": [
      "trim"
    ]
  }
}
```

From the contract fixture `product-page-list-regex-json`, a program the test suite validates.