# 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;