To use private channels with the Integration for Slack, you must go into each private channel in Slack and add the Juno Journey application.
Step 1
Go to your Slack account. Open the private channel that you would like to use with the integration. Click on "I" >> "More" >> "Add apps"
Step 2
Search for "Juno Journey" and click "Add", to add the app to your private channel.
Step 3
You can go to your Juno Journey account and follow the steps to set up the Integration for Slack.