# Constants (/themes/sdk/reference/elements/constants)

```ts
import { … } from '@poltura/theme-sdk/elements';
```

## `field` [#field]

The setting builders a definition's `settings` object is written with.

```ts
const field: FieldBuilders
```

**Example**

```tsx
import { field } from '@poltura/theme-sdk/elements';

export const settings = {
  heading: field.text({ label: 'Heading', default: 'New arrivals' }),
  columns: field.range({ label: 'Columns', min: 2, max: 6, default: 4 }),
};
```

## `ELEMENT_CATEGORIES` [#element_categories]

Every picker group, in picker order.

```ts
const ELEMENT_CATEGORIES: readonly ElementCategory[]
```

## `ELEMENT_WILDCARD` [#element_wildcard]

In `accepts`, admits any element.

```ts
const ELEMENT_WILDCARD: '@element'
```

## `THEME_BLOCK_WILDCARD` [#theme_block_wildcard]

In `accepts`, admits the theme's and the installed apps' blocks.

```ts
const THEME_BLOCK_WILDCARD: '@theme'
```

## `STYLE_CAPABILITIES` [#style_capabilities]

Every style group an element can offer.

```ts
const STYLE_CAPABILITIES: readonly StyleCapability[]
```