Adding Tag Resources Select Master Data > Tags. Click the Drill down button of the desired active tag to display the detail view of the Tags page. Click Edit. Click the Create button of the Resource list. A pop-up displays with the options to select the Resource Name and the Identifiers which are accounting entities. Select a Resource and at least one Identifier and click OK. To save the resource to the tag, click Save. Note: Master Data does not have the option to select Identifiers.