# Maintain Scenario

To change a scenario, navigate to the scenarios menu item and open the scenario drawer by clicking on the respective scenario name.

{% hint style="info" %}
You cannot use delete or edit name for the MASTER scenario, since this is the on-going plan connected to all other VMS functionalities.
{% endhint %}

You have the following actions in the drawer:‌

* view in open positions board
* delete
* copy
* edit scenario name
* view audit log
* access and upload attachments

{% hint style="info" %}
Deleting a scenario removes it from the database. There is no recycle bin or the like to retrieve a deleted scenario.
{% endhint %}

### Vessels tab

Vessels in the selected scenario can be managed from the list in the vessels tab. Clicking on a vessel will lead to the vessels' drawer.

#### Add/Remove Vessel

1. Open the **Scenario** module in the *Planning* section.
2. Select a scenario and navigate to the **Vessels** tab.
3. Click **Add**<img src="https://1404085267-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Liw6C9Fe7rohFtkU25j%2F-M23XjciEP9F3xdDeDrE%2F-M23aB95JDSUt7kYOdWo%2Fcreate-24px.svg?alt=media&#x26;token=d69f2239-6a6c-48a4-ba17-ae0bb299c3d0" alt="" data-size="line">in the top right corner of the vessels list.
4. Select/Deselect vessels in the Select Vessels dialog.
5. Click **Confirm**.