Being a Workspace owner now you can create inventory groups and share with your customers. This feature will empower you to create relatively useful groups and directly let your customers to use for their campaign targeting.
This can be done using Assign to customer option from kebab menu near to particular group.
All shared groups will be represented with an icon and count in line with group in the left panel .
Once you click on that option, a popup with all the customers within your work space will be available in pop-up . You can select all the customers you want to share this group with.