This template is part of the UML. Interfaces declare coherent services that are implemented by BehavioredClassifiers, such as a Class, that implement the Interfaces via Interface Realization.
For more information about the UML, you can find the current specifications here.
The Interface tab
|Operations||HasOperations||Links to: Operation.|
The Extensions tab
|Stereotype||Stereotype||Links to: Stereotype.|
|Constraints||HasConstraints||A reference to a named rule that extends the semantics of the component.
Links to: Constraint.
|Tagged values||HasTaggedValues||The set of tagged values that extends the properties of this component.
Links to: Tag Definition.