> 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/price-checking/700-price-checking-price-checking-module.md).

# 700 - Price Checking Module

700 - (Price Checking) Price Checking Module

| **Event**           | **Extension action set** | **Description**                                                                                                                   |
| ------------------- | ------------------------ | --------------------------------------------------------------------------------------------------------------------------------- |
| Before              | EXT\_0700\_1\_Before     | Will be executed before Syslog APP open the price checking module;                                                                |
| [Replace](#replace) | EXT\_0700\_2\_Replace    | Will replace Syslog APP price checking module (can be used to validate if normal Syslog APP module opens using outOpenAPPModule); |
| After               | EXT\_0700\_3\_After      | Will be executed after closing the price checking module;                                                                         |

### Replace

*Output Parameters*

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