---
title: "InvPrefSID"
canonical: "https://kb.myframeworks.com.au/space/FSS/13175321/InvPrefSID"
format: markdown
---
**Flag/Setting Purpose: **Autogen Special Item Description prefix

- When enabled, a defined prefix value (**InvPrefixS**) will automatically be added to the front of the **Product Description** when creating a **Special Product** in Sales Orders.
  When disabled, no prefix will be automatically added to the front of the **Product Description** when creating a **Special Product** in Sales Orders.
  

> ⚠️ **Note: **Altering the value of **InvPrefixS** independently of using the **InvPrefSID** flag will change the prefix of the **Special Product Number** from the default value of **ZZ** to the new value.

> ℹ️ **Related Settings: **System Settings - General > **InvPrefixS**