> For the complete documentation index, see [llms.txt](https://docs.siminsights.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.siminsights.com/hyperskill/ai/ai-chat/edit-mode.md). # Edit Mode The AI Chat edit tab (AI->Chit-AI Chat) contains options for enabling and editing your roleplaying character for HyperSkill.

The Chit Chat window when editing

By default, the AI Chat settings will be locked until you enable AI Chat. You can edit the following properties for AI Chat: | Property | Description | | ----------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | | Enable Chit Chat | Enables AI Chat functionality | | Enable Pdf Question Answering | Enables [PDF Question Answering](/hyperskill/ai/pdf-question-answering.md) | | Language Model | The large language model used for AI Chat | | Chunk Response | Sentences are broken into chunks, separated by punctuation. Disabling chunking increases response delay time. | | Enable SimKB | Enables SimKB | | Name | The name of the agent. This should be consistent with what is described in the prompt. | | Prompt | Instructions for the LLM to follow. These instructions should describe how the character should act. Instructions can be as specific or vague as desired. |