> 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-studio-authoring/ai-features/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. 

<figure><img src="https://2704613365-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxYaaXoZ4YGbVdAnAhdcE%2Fuploads%2FmhcY1iULwrFCyrOMYGA3%2Fimage.png?alt=media&amp;token=0a684560-080f-4c1c-bda3-099b3eaeee01" alt=""><figcaption><p>The Chit Chat window when editing</p></figcaption></figure>

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-studio-authoring/ai-features/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. |