To add a Classification to an object, search for the appropriate classification scheme, then choose a concept within that classification scheme.
In the Details area for the object, click the Classifications button.
The Classifications table, which can be empty, appears.
A Details Panel window opens.
Type a name and, optionally, a description for the classification.
Click the Select ClassificationScheme or Concept button.
A ClassificationScheme/Concept Selector window opens.
Expand the ClassificationSchemes node. Then expand concept nodes until you have selected the leaf node that you want to use.
Click OK to close the ClassificationScheme/Concept Selector window.
The classification scheme and concept appear in the Details Panel window.
Click Add to save the new object and close the Details Panel window.
Click Apply in the Details area for the object.