Indicates whether the alteration is an addition, removal or a replacement Indicates whether the alteration is an addition or a removal Defines the changes to be made to the design as directed by an external generator. List of changes affecting components in the design. This is the file containing the component definition. Required only if the alteration is an addition or a replacement. Should be an absolute filename so that the DE may copy it. Required only for hierarchical components. Holds the hierarchical component's sub-component definition files. Path to definitions of components and channels instanced in hierarchical component definition. List of changes affecting interconnections in the design. List of changes affecting ad-hoc connections in the design. This is the name of the ad-hoc connection to modify Specifies whether this ad-hoc connection will be exported out of the design. Indicates the signal on the component which is being connected by this ad-hoc connection List of changes affecting vendor defined extensions in the design.