# z.Filter.Topic

Filter topic schema.

## Imports

```ts
import { z } from 'ox/zod'

z.Filter.Topic
```

## Definition

```ts
export const Topic = z.union([
  z_Hex.Hex,
  z.readonly(z.array(z_Hex.Hex)),
  z.null(),
])
```

**Source:** [src/zod/Filter.ts](https://github.com/wevm/ox/blob/main/src/zod/Filter.ts)