Managing Extensions for Requirements or Requirement Specifications

Using the Feature Specialization tool, your domain expert can create customized extensions for requirements. An extension defines an additional attribute for a requirement.

You can then add such an extension (or subextension) to a requirement or a requirement specification, to define attributes. For example, in the case of outsourcing, it may be possible to define attributes for supplier name and for target date.

Note: An extension added in Traceable Requirements Management is also displayed and editable.

See Traceable Requirements Management User's Guide: Managing Extensions.

This task shows you how to:

See Also
About Requirements in Systems Architecture Design

Add or Remove an Extension

You can add or remove an extension.

Before you begin: Extension types must be created in the database. Your domain expert can refer to Feature Specialization User's Guide: Creating and Managing Specialization and Customer Extensions.
  1. Select a requirement or a requirement specification.
  2. From the Knowledge section of the action bar, select Manage Customer Extensions .

Edit an Extension

You can display and manage the extension through the Properties dialog box.

  1. Right-click the extension then select Properties in the context menu.
    The Properties dialog box appears.
  2. In the Reference tab, click More.
    If there is an extension for the selected requirement, an extension area displays the extension attributes.
  3. Modify the extension attributes.
  4. Click OK to validate your modification and close the Properties dialog box.