You can create a tag. Do the following:
Select Tags on the QMC start page or from the StartS drop-down menu to display the overview.
Click P Create new in the action bar.
Type a tag name.
The name of the tag. The name must be unique.
The property group View tag associated items displays which resources that are using the tag. The connections are made from the Tags property group when editing a resource.
Property Description Apps
The resources that the tag is connected to.
App objects Security rules Extensions Content libraries Data connections Nodes Engines Proxies Virtual proxies Repositories Schedulers Streams Users User directory connectors Reload tasks User synchronization tasks
Click Apply in the action bar to create and save the tag.
Successfully added new tag is displayed at the bottom of the page.