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title: How to add connection info in DataLens On-premises
description: Follow this guide to add connection info in DataLens On-premises.
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# Adding connection info in DataLens On-premises

To add connection details, do the following:

1. Open the connection to add details for.
1. Click <!-- diplodoc:svg ![image](../../_assets/console-icons/circle-info.svg) --><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16"><path fill="currentColor" fill-rule="evenodd" d="M8 13.5a5.5 5.5 0 1 0 0-11 5.5 5.5 0 0 0 0 11M8 15A7 7 0 1 0 8 1a7 7 0 0 0 0 14m1-9.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0m-.25 3a.75.75 0 0 0-1.5 0V11a.75.75 0 0 0 1.5 0z" clip-rule="evenodd"/></svg> at the top of the screen.
1. Enter the information and click **Save**.

   {% cut "Adding connection info" %}

   ![add-description](../../_assets/datalens/connection/connection-add-description.png)

   {% endcut %}

1. Click **Save changes** at the bottom.

Now all users will see the <!-- diplodoc:svg ![image](../../_assets/console-icons/circle-info.svg) --><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16"><path fill="currentColor" fill-rule="evenodd" d="M8 13.5a5.5 5.5 0 1 0 0-11 5.5 5.5 0 0 0 0 11M8 15A7 7 0 1 0 8 1a7 7 0 0 0 0 14m1-9.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0m-.25 3a.75.75 0 0 0-1.5 0V11a.75.75 0 0 0 1.5 0z" clip-rule="evenodd"/></svg> icon in the top-right corner of the connection. Clicking it will open the **Connection info** window with the information.

To remove connection info, save an empty field in the **Connection info** window. Users will no longer see the <!-- diplodoc:svg ![image](../../_assets/console-icons/circle-info.svg) --><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16"><path fill="currentColor" fill-rule="evenodd" d="M8 13.5a5.5 5.5 0 1 0 0-11 5.5 5.5 0 0 0 0 11M8 15A7 7 0 1 0 8 1a7 7 0 0 0 0 14m1-9.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0m-.25 3a.75.75 0 0 0-1.5 0V11a.75.75 0 0 0 1.5 0z" clip-rule="evenodd"/></svg> icon.