When the binding is removed, the pattern checks and adjusts for any dependencies between other parameters in the pattern.
You may want to remove the binding to some elements in a pattern so that you can specify new arguments and reapply the pattern. For example, in the Delegation pattern you can apply the pattern the first time and obtain the results shown in the following screen capture.



You can unbind a pattern in the diagram editor by clicking the argument name or argument value in the parameter cell of a pattern instance, and clicking .