PLM 7.02 BOM settings

Hello,

      In PLM 7.02 WEB UI, there is a setting in the BOM services. for example, In Material BOM change----> enter into the BOM ---> u see settings in the ITEMS right side corner. When you click the settings, you will get an popup window where you can do the settings like which field you want to hide, which field you want it to be displayed kind....When you look into that DISPLAY GROUPED COLUMN, we can do this settings...In that options, I'm not seeing

     How will I get all the fields in the DISPLAY GROUPED COLUMN? where can I do these fields customization that is fields to display and to hide?

Regards,

Saravana