# Stream settings

### To modify the public Slack channel or delete a [Stream](https://happybara.gitbook.io/streamly/concepts/stream), select :gear:`Stream settings` from the overflow menu (<img src="https://515986723-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8LPwlH5mb9FAOH85oP%2F-M9jiBIWlAlkxr_q36Y4%2F-M9jiC-hBUmQLo6YZeMn%2Fimage.png?alt=media&#x26;token=4a5de23a-e617-4ed3-b3cf-2020f5b30e83" alt="" data-size="line">) in the **`Streams`** section of the app home.

####

#### Modify public channel

![](https://515986723-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M8LPwlH5mb9FAOH85oP%2Fuploads%2FTB9YG8UdK4lAsAqS4WJ7%2Fimage.png?alt=media\&token=34194fd2-3e5a-4f65-9c97-6bad488e44e7)

To move the **Stream** to a new public Slack channel, choose one from the menu under `Change Slack channel`.

{% hint style="warning" %}
Only one **Stream** can be configured per public Slack channel.
{% endhint %}

####

#### Subject prefix

![](https://515986723-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M8LPwlH5mb9FAOH85oP%2Fuploads%2FMkThvqkpL15FxquxT4Pn%2Fimage.png?alt=media\&token=a665873f-d260-40ba-94bf-b291556f82a2)

Add, modify or remove an a `Subject` prefix and press 'enter' to apply your changes.

{% hint style="info" %}
If provided, the`Subject` prefix and a five-digit, autoincrementing ID will be prepended to each **Request** `Subject`.

> \- E.g., `ABC00001_Request subject`\
> \- The following special characters are not allowed: `<`, `>`, `@`, and `#`
> {% endhint %}

Use the `Reset Request ID number` button to set the autoincrementing ID back to zero for the **Stream**.

> This button will only be visible if a prefix is in use and there has been at least one **Request** made in the **Stream** using the prefix.

#### Delete Stream

![](https://515986723-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M8LPwlH5mb9FAOH85oP%2Fuploads%2FU6RFe105E5NKoRPCa3JW%2Fimage.png?alt=media\&token=ca60e518-df79-4c5c-b96f-cc88af409723)

To delete the **Stream** entirely, click the :bomb:`Delete` button.

{% hint style="danger" %}
Deleting a **Stream** is a destructive action and while some functionality can be restored by recreating the **Stream**, certain tool connections are not recoverable.
{% endhint %}