> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/mss-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/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/506-sales-read-barcode.md).

# 506 - Read Barcode

506 - Read Barcode

| Event               | Extension action set  | Description                                                  |
| ------------------- | --------------------- | ------------------------------------------------------------ |
| [Before ](#before)  | EXT\_0506\_1\_Before  | Will be executed before MSS opens the Barcode reader screen; |
| [Replace](#replace) | EXT\_0506\_2\_Replace | Will replace MSS Barcode reader screen;                      |
| [After](#after)     | EXT\_0506\_3\_After   | Will be executed after the user reads a Barcode;             |

### Before

*Input Parameters*

* inDocumentExercise - Exercise of the document;
* inDocumentType - Type of the document;
* inDocumentSeries - Series of the document;
* inDocumentNumber - Number of the document;
* inCustomerCode - Code of the selected customer;

### Replace

*Input Parameters*

* inDocumentExercise - Exercise of the document;
* inDocumentType - Type of the document;
* inDocumentSeries - Series of the document;
* inDocumentNumber - Number of the document;
* inCustomerCode - Code of the selected customer;

*Output Parameters*

* outResultCode - Return code: 1 – a Barcode was read / 0 – Cancel;
* outBarcode - Barcode that was read;

### After

*Input Parameters*

* inDocumentExercise - Exercise of the document;
* inDocumentType - Type of the document;
* inDocumentSeries - Series of the document;
* inDocumentNumber - Number of the document;
* inCustomerCode - Code of the selected customer;