# publish

Aliases:

<!-- -->

`` `pub` ``

Hot Reloadable

A single subject, list of subjects, or a allow-deny map of subjects for publishing. Specifying a single subject or list of subjects denotes an *allow* and implcitly denies publishing to all other subjects.

## Types

| Type         | Description                                                  | Choices |
| ------------ | ------------------------------------------------------------ | ------- |
| `string`     |                                                              | -       |
| `[ string ]` |                                                              | -       |
| `object`     | An object with a set of explicit properties that can be set. | -       |

## Properties

| Name                                                                                    | Description                                      | Type     | Default | Reloadable |
| --------------------------------------------------------------------------------------- | ------------------------------------------------ | -------- | ------- | ---------- |
| [`allow`](/reference/config/gateway/authorization/default_permissions/publish/allow.md) | List of subjects that are allowed to the client. | `string` | -       | Yes        |
| [`deny`](/reference/config/gateway/authorization/default_permissions/publish/deny.md)   | List of subjects that are denied to the client.  | `string` | -       | Yes        |

## Examples

### Allow publish to `foo`

```
foo
```

### Allow publish on `foo` and `bar.*`

```
[foo, bar.*]
```

### Allow publish to `foo.*` except `foo.bar`

```
{
  allow: "foo.*"
  deny: "foo.bar"
}
```