Describing a Functionality Map with HOPEX IT Architecture
*A functionality map is a set of functionalities with their dependencies that, jointly, define the scope of a hardware or software architecture.
Accessing the list of functionality maps with HOPEX IT Architecture 
To access the list of business capabilities from Capabilities navigation menu:
*Select Capabilities > Functionalities.
The list of functionality maps appears in the edit area.
Creating a functionality map 
To create a functionality map from the Capabilities navigation menu:
1. Select Capabilities > Functionalities.
The list of functionality maps appears in the edit area.
2. Click New.
3. Modify the Name of the functionality map and click OK.
4. Select Functionality Map.
The functionality map appears in the list.
Creating a functionality map diagram 
A functionality map can be described by two diagram types:
a functionality decomposition tree is a diagram that describes the tree structure of a functionality. Focusing on a particular functionality, this type of diagram enables summary representation of functionality breakdown into sub-functionalities.
A functionality map used to represent the set of functionalities of the described map.
To create a functional map diagram:
1. Right-click the functionality map that interests you and select Create Diagram.
2. Select the diagram type.
The diagram opens in the edit area. The frame of the functionality map described appears in the diagram.
To create a functionality in a functionality map diagram and describing the dependencies between the functionalities, see Describing the Functionality Map.
The properties of a functionality map 
The Characteristics properties page of a functionality map provides access to:
its Owner, by default, when creating the enterprise or business capability map, this is the current library.
its Name,
the text of its Description.
With HOPEX IT Architecture, a functionality map is described by the following pages:
the Structure page is used to specify a list of components owned and the dependencies between them.
*For more information on the components of a functionality map, see and Creating a Functionality Diagram with HOPEX IT Architecture.
the Implementation property page is used to specify the environments that make it possible to create the described functionality map.
*For more details on implementation of functionalities, see Creating Fulfillment of a Functionality.