> For the complete documentation index, see [llms.txt](https://tech.x2bee.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tech.x2bee.com/dev-guide/developer-guide-en/dev-start/interactive-blocks.md).

# Message Handling and Response

## Overview

Message handling and response have a significant impact on the solution's stability and user experience. Message handling and response consists of error messages and exception handling, common Response value handling, and FO/BO message handling, among others. Each item provides detailed guidance on message format, code definitions, examples, and more.

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## Document Structure

<details>

<summary><strong>Error Messages and Exception Handling</strong></summary>

Explains in detail how to effectively handle errors that occur in X2BEE.

</details>

<details>

<summary><strong>Common Response Value Handling</strong></summary>

Defines the format, structure, status codes, and other aspects of response values for handling responses in an efficient and consistent manner across all APIs and features, and explains the common response handling method.

</details>

<details>

<summary><strong>FO, BO Message Handling</strong></summary>

Provides guidelines and examples for efficient message sending and receiving between FO (Front Office) and BO (Back Office).

</details>