How do you use Business Rules in a project?

If it is specific to Automation Ops - You can follow below steps

From Home Page - Go to Automation Ops

Under Policies - Add Product Policy. From the product list - you can select for which you want to enable policy. there are few set of standard policies available within UiPath which you could enable or disable. using the code of policy - You can search in UiPath doc to understand more about the policy details

Once the policy is created, Go to Deployment. You can deploy to a Tenant / Group / Users

Select the option and while deploying - you can select the policy which you created. After this - the policy will be reflected to all the BOTs which belongs to the selected tenant / group / user based on our selection