## Overview This item stores the unique ID of the "Record". The ID is automatically assigned a sequential number. The ID is used as part of the record's URL. ## Limitations 1. The "ID Item" is "[Read only](/en/manual/table-management-readonly)". It cannot be made changeable. 1. Once an ID has been used, it cannot be reused, even if it is deleted. 1. IDs cannot be assigned manually. 1. IDs cannot include letters and symbols other than numbers. 1. The ID format cannot be customized. ## Prerequisites 1. "Site Administration Permission" is required to configure settings. ## Detail Settings For detail settings, refer to "「Input Item Detail Settings」". ## Related Information <div id="ManualList"><ul><li><a href="/en/manual/table-management-readonly">Table Management: Editor: Item Detail Settings: Read-only</a><span>08.13.2024 up</span></li></ul></article></div><input id="SearchTextHidden" type="hidden" value="" />