You can add and remove value pairs from a mapping group, but you cannot change the AccuWork or ITS values in a value pair individually: if you want to change an existing value pair, you must delete the pair and then create a new pair with the values you want. If you want to delete a mapping group, you must first delete all of its value pairs.
To edit a mapping group:
After you make this change, you should run any synchronization patterns that use it to make sure that your changes provide the results you expect. See Running a Synchronization Pattern for more information.