This Item Class drop down menu is used to select the class name for the items to adjust. After selecting a class all of the items attached to the class will be loaded into the adjustments grid.

 

If there are pending changes in the grid and you select a new class from the drop down menu a Confirm dialog will display "Selecting a new class with discard all unsaved changes. Do you wish to select a new class anyway?"

 

Click No to go back and click Apply to save the pending adjustments.

Click Yes to change the class and lose any changes.