Thanks to this functionality you can synchronize data between Resource and User to have on both the same information.
In the Resources tab in Admin page click on Synchronize button. The list of resources that you can synchronize will appear below. The number of resources that can be
synchronized will be visible on the Synchronize button.
On the list of resources click on the Resource you want to synchronize.
Decide which option are choosing.
If you want to update Contact/User data from the Resource data, click the Resource → Contact/User option.
If you want to update Resource data from the Contact/User data, click the Contact/User → Resource option.