{"title":"Set an order number prefix","slug":"how-to-set-order-reference-number-prefix","url":"https://support.storeconnect.com/articles/how-to-set-order-reference-number-prefix","url_markdown":"https://support.storeconnect.com/articles/how-to-set-order-reference-number-prefix.md","subtitle":null,"summary":"Add a custom prefix to your order reference numbers by creating an order_reference_prefix Store Variable on your store record.","type":"Help_Documentation","video_url":"","keywords":"order number prefix, order reference number, custom prefix, store variables, order_reference_prefix, order configuration, order settings, reference number, order numbering, store variable setup","last_modified":"2026-08-21T07:12:35+0000","body_markdown":"Add a custom prefix to your store's order reference numbers by creating a store variable. Use this process to make order numbers easier to recognize, for example by prefixing them with your store's initials.\n\n## Set an order number prefix\n\n1.  Open your store in StoreConnect.\n2.  Go to the **Store Variables** related list and click **New**.\n3.  Give the variable a **Name**, such as `Order Reference Prefix`.\n4.  Set the **Key** to `order_reference_prefix`.\n5.  In the **Value** field, enter the prefix you want, for example `OC`.\n\n    ![Store variable record with the order_reference_prefix key and a prefix value](https://res.cloudinary.com/hzkr6fi81/image/upload/v1781677731/documentation-media/order-reference-prefix.png)\n\n6.  Click **Save**.\n\n## Confirm it is working\n\nPlace a test order, or check the next new order, and confirm its reference number begins with the prefix you set."}