When the URL option is selected in the Attach Linked Object dialog box, these items are available.
Member Combination—Shows the member combination associated with the selected cell. The file that you selected is linked to the member combination shown.
Location—Enables you to enter the name of the URL to attach. The maximum number of characters you can enter is 512.
URL Description—Enables you to enter a brief description of the URL you are linking. The maximum number of characters you can enter is 80.