> 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/warehouse-transfers/900-warehouse-transfers-warehouse-transfers-module.md).

# 900 - Warehouse Transfers Module

Syslog 4.0 - Extensibility - Functions Syslog - Kalipso - Warehouse Transfers - 900 - Warehouse Transfers Module

900 - (Warehouse Transfers) Warehouse Transfers Module

| **Event**           | **Extension action set** | **Description**                                                                                                                    |
| ------------------- | ------------------------ | ---------------------------------------------------------------------------------------------------------------------------------- |
| Before              | EXT\_0900\_1\_Before     | Will be executed before Syslog APP open the module;                                                                                |
| [Replace](#replace) | EXT\_0900\_2\_Replace    | Will replace Syslog APP warehouse transfer module (can be used to validate if normal Syslog APP module opens using outOpenModule); |
| After               | EXT\_0900\_3\_After      | Will be executed after closing the warehouse stock module;                                                                         |

### Replace

*Output Parameters*

* outOpenModule – Return code: 
  * 1 – Open Syslog APP module
  * 0 – Don’t open Syslog APP module;