---
title: "System settings"
slug: "system-settings"
updated: 2026-06-25T12:27:14Z
published: 2026-06-25T12:27:14Z
canonical: "products.egretail.cloud/system-settings"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://products.egretail.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# System settings

**System settings** let you change how the InStore App behaves on this device. You open them from the **gear** **icon** in the top-right corner of the **Home** screen.

#### Opening System settings

1. On the **Home** screen, tap the settings gear in the top-right corner.
2. The **System settings** page opens.
3. To return to the **Home** screen, tap the back arrow in the top-left corner.

---

#### Appearance - Main item identifier

The **Main item identifier** decides which number the app shows as the primary identifier for an item in lists and search results. Choosing Item number, for example, will show the item number directly under each product in the **Search items** list; choosing *GTIN will show the GTIN instead*.

1. On the **System settings** page, under **Appearance**, tap the **Main item identifier** row. The current value is shown on the right of the row (for example, *Item number*).
2. The **Main item identifier** bottom sheet opens with four options:
  - GTIN
  - SKU
  - Item number
  - Sales Code

The option currently in use is marked with a filled radio button.

1. Tap the identifier you want to use. The bottom sheet closes and the new value is saved and shown on the **Main item identifier** row.
2. To close the bottom sheet without changing anything, tap the **X** in the top-right corner of the sheet, or tap outside the sheet.

![](https://cdn.document360.io/5c3fbf4a-b177-42ef-a5c9-ab5c60ca2ba9/Images/Documentation/image-PM324UZW.png)