> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/syslog-extensibility/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/syslog-extensibility/functions-syslog-kalipso/inquiries/800-warehouse-stock-warehouse-stock-module.md).

# 602 - Barcode Validation

602 - (Inquiries) Barcode Validation

<table data-header-hidden><thead><tr><th>Event</th><th width="232.33333333333331">Extension action set</th><th>Description</th></tr></thead><tbody><tr><td><strong>Event</strong></td><td><strong>Extension action set</strong></td><td><strong>Description</strong></td></tr><tr><td><a href="#before">Before </a></td><td>EXT_0602_1_Before</td><td>Will be executed before barcode validation;</td></tr><tr><td><a href="#replace">Replace</a></td><td>EXT_0602_2_Replace</td><td>Will be executed to replace barcode validation;</td></tr><tr><td>After</td><td>EXT_0602_3_After</td><td>Will be executed after barcode validation;</td></tr></tbody></table>

### Before

*Input Parameters*

* inBarcode
* inEntityType
* inEntityNumber

*Output Parameters*

* outContinue – Return code:
  * 1 - Continue Validation
  * 0 – Cancel
* outRef<br>

### Replace

*Input Parameters*

* inBarcode – Barcode;

*Output Parameters*

* outContinue – Return code:&#x20;
  * 0- Cancel&#x20;
  * 1 - Continue
* outRef
* outDescription
* outBaseUnit
* outBarcodeQuantity