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If you do not want every user to be able to edit the column data, then choose an application right from the Application Right drop-down list box.
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While setting up editable fields, you can choose to use a drop-down list (either built in or a Custom Drop-Down List ) and assign the ability to edit the field to an application right (either built in or a Custom Application Right ). If you would like to give your users a drop-down list box of choices for the value of the column data, choose a drop-down list from the drop-down list box.
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Click the Save button and the newly created editable field definition will appear in the grid at the top of the window.
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Don’t forget to save your Grid Layout after creating an editable field. Saving Grid Layouts