---
url: /reference/@cssdoc/index/interfaces/PropertyUsage.md
---
# Interface: PropertyUsage

Defined in: [packages/index/src/index.ts:85](https://github.com/thedannywahl/cssdoc/blob/main/packages/index/src/index.ts#L85)

A `var(--name)` custom-property reference.

## Properties

### fallback?

```ts
optional fallback?: string;
```

Defined in: [packages/index/src/index.ts:88](https://github.com/thedannywahl/cssdoc/blob/main/packages/index/src/index.ts#L88)

The fallback in `var(--name, fallback)`, when present.

***

### loc?

```ts
optional loc?: SourceSpan;
```

Defined in: [packages/index/src/index.ts:89](https://github.com/thedannywahl/cssdoc/blob/main/packages/index/src/index.ts#L89)

***

### name

```ts
name: string;
```

Defined in: [packages/index/src/index.ts:86](https://github.com/thedannywahl/cssdoc/blob/main/packages/index/src/index.ts#L86)