Guide

1. Click on the '+Add apps' section in the left sidebar.

2. In the search bar, type 'Google+ Hangouts' and select the Google+ Hangouts app from the results.

3. Click the 'Add to Slack' button.

4. That's it! You have successfully integrated Slack with Google Hangouts.

5. Click 'Save Settings' to save changes.

6. You can now communicate with your members of any channel by adding Google Hangouts to your Slack workspace.