...
Here is an optional setting available for different tenants. Each tenant can choose to utilize a custom CRM application setting on their respective tenant page. More details, can refer the following link.
...
That's all the HubSpot integration, now, you can connect your HubSpot to the App & Integrations > HubSpot in your tenant 8.5 3 Integrating HubSpot in CloudCX！
...