A tag on a combined fragment in an interaction that indicates that certain message types are suppressed in the model within the fragment, regardless of their actual occurrence during execution. This tag is equivalent to a consider tag that lists all the other message types. See consider.
Certain constraints in interactions are most easily expressed by focusing on a subset of the message types that participate in the constraints. In such cases, it may be useful to suppress other message types in the model because they are not relevant to the given constraint or because they are discarded in practice. The ignore tag on a combined fragment indicates that the listed message types will not be shown within the fragment and that any ...