Additional Fields on Codes
From the Add/Modify Code dialog box, click 
in the Additional Fields section to add any additional fields you want to be displayed when the code is used.
in the Additional Fields section to add any additional fields you want to be displayed when the code is used.
From the Add/Delete Additional Fields dialog box, select the check box beside to the field name you want to add to the code. Clear the check box to remove the
field from the code.
When a code is selected, indicate whether the additional field should be required or optional.
Click Continue to add the field to the cause of action code.