1. Go to your desired Google Chat group and click on "Manage Webhooks" under the group information
2. Provide a name for your webhook and click 'Save'. Optionally you can add an Avatar URL to be used by the webhook.
3. You will see your webhook being set up. Please use the copy button to copy the webhook URL as you will need it later when setting up the integration on gitlab (see right image)
1.Click Integrations under Settings at Project Page
2. Choose 'Hangouts Chat'
3. Tick the checkboxes that you want Gitlab to notify on Google Chat and the provide the webhook URL. Click Save.
4. You can click Test Settings to test on connectivity to Google Chat. See right image for example.
