For each sub-resource types associated with a resource, a primary sub-resource must be identified. The primary sub-resource and its statuses can be included in views.
In the list of sub-resources, a flag icon appears next to the primary sub-resource of each type.
To set a sub-resource as primary
From any page, open the Setup menu in the main navigation bar and select Resources. The Resource List opens.
Locate the resource in the list and click its Sub-Resources link. The Sub-Resource List for (resource) page opens.
Locate the sub-resource in the list and click the Set as Primary link in the Primary column. Tip: You can also set a sub-resource as primary from its Update Sub-Resource for (resource) page.