Connecting Attributes to a MetaClass
An attribute can be connected to one or several diagrams. The "Name" attribute is connected to all MetaClasses.
To connect an attribute to a MetaClass:
1. In the Properties window of the MetaClass, select the MetaAttribute tab.
2. Click
Connect 
.
The dialog box that opens asks you to execute a query to find the MetaAttribute you want to connect.
3. Execute the query.
4. Select the MetaAttribute.
You can select several MetaAttributes.
5. click Connect.
The selected MetaAttributes appear in the list of MetaAttributes of the MetaClass.