Open the main screen of Albato and on the top menu "Connections" select "Slack":

Click on "Add credential" :

Enter the name of the connection to create and click "Save":

Click on the link "Grant access to Albato" :

A Slack page opens, select the account to connect to:

Select the channel to connect

Click on the link "Allow"

After granting access, Slack will redirect you back to the Albato dashboard to the connection settings screen, where the connection status will be changed to "Access granted" (connection completed successfully):