> ## Documentation Index
> Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SerialNumberType

> Enumeration that defines the type of serial number management for an item. Determines whether and how serial numbers are processed for stock movements and sales.



**Kind**: `enum`

## Values

**`NO_SERIAL_NUMBERS`** — Serial numbers are inactive. The item does not require or use serial numbers for tracking.

**`SERIAL_NUMBERS_ACTIVE`** — Serial numbers are active. The item requires a serial number to be assigned during stock movements.

**`SERIAL_NUMBERS_TRACKING`** — Serial numbers are being tracked. The item requires serial numbers and maintains a full tracking history of all movements.