Adding Attributes 
The root node of the catalog contains the properties of the catalog.
Add Attributes to Structure Node
In the Object Manager panel, under Catalog, choose the Properties of Structure tab.
The Properties of Structure tab page opens.
Choose Add Attribute.
In the Object Query dialog box that appears, choose the data object and choose Select.
The data object gets added to the structure node.
Add Attributes to Leaf Node
In the Object Manager panel, under Catalog, choose the Properties of Leaf tab.
The Properties of Leaf tab page opens.
Choose Add Attribute.
In the Object Query dialog box that appears, choose the data object and choose Select.
The data object gets added to the leaf node.
Add Attributes to Link Node
In the Object Manager panel, under Catalog, choose the Properties of Link tab.
The Properties of Link tab page opens.
Choose Add Attribute.
In the Object Query dialog box that appears, choose the data object and choose Select.
The data object gets added to the link node.
Note
For each node type, you can define six different attributes.