Define the options for the new mapping rule. When defining the mapping rule options, you can:
Change the collection name.
To change the collection name, click the :guilabel:`Name` text box and enter the new name. Click outside of the text box to save the change. If the name is already in use, you receive a validation error.
:ref:`Add Calculated Fields <rm-add-calculated-fields>` to create new fields based on relational source columns. See :ref:`Calculated Fields <rm-calculated-fields>` for more information.
Change field names.
Include or exclude a field from your migration job by clicking the :icon-fa5:`check-square` icon next to the field name.