---
title: "clear ChatGPT history()"
slug: "ai-clear-chat"
updated: 2026-08-10T05:59:20Z
published: 2026-08-10T05:59:20Z
canonical: "docs.lobstersoftware.com/ai-clear-chat"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lobstersoftware.com/llms.txt
> Use this file to discover all available pages before exploring further.

# clear ChatGPT history()

This function deletes the chat history of chat session ***a***.

The return value is *true* if successful, *false* otherwise (e.g. if the chat session key ***a*** is incorrect).

Parameter ***b*** can be used to pass content to the chat session ***a*** for the role *system* (after the history has been deleted).

## Parameters

| Parameter | Description |
| --- | --- |
| a | (optional) Chat session key. **NOTE:** If no specific session key is set, the internal session key is used. See functions [setup OpenAI ChatGPT()](/v1/docs/en/ai-open-ai-chat-gpt-setup) and [setup Azure ChatGPT()](/v1/docs/en/ai-azure-chat-gpt-setup). |
| b | (optional) Content for the role *system*. **Example:** You are a database SQL expert and answer questions related to SQL statements. |