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 MetaClass properties, select the MetaAttribute tab.
2. Click Connect 
and select the MetaAttribute you want to connect.
and select the MetaAttribute you want to connect.
You can select several MetaAttributes.3. Click Connect.
The selected MetaAttributes appear in the list of MetaAttributes of the MetaClass.