The following steps are for users who already have a Workplace Custom integration setup.
1. Open the Facebook Workplace Company Dashboard by going to the following link - https://work.facebook.com/work/admin
2. Click on "Integrations" in the left menu list.
3. Next click on the "Custom Integrations" tab.
4. Find your Surveybot integration in the list and click on the "settings" icon button. Note: your integration will have the name which you assigned to it when you set it up. This may not be Surveybot if you called it something else.
5. Scroll down and click on the pane labelled "Advanced options".
6. In box labelled "Server IP white list" enter the following IP addresses:
7. Click "Save" in the bottom right corner.
That's it! Now your Surveybot integration is secured to the Surveybot IP addresses.