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

# Setting the scope of a chat — "Using:" files, Labels, Collections, Concepts

> Scope is the set of knowledge Chief draws on to answer you.

Scope is the set of knowledge Chief draws on to answer you. The **Using:** toolbar in the [prompt bar](/help/the-prompt-bar-scope/the-prompt-bar-a-tour-of-your-chat-controls) shows what is in scope right now and lets you add or remove Files, [Labels](/help/labels/tagging-files-filtering-by-label), [Collections](/help/collections/what-are-collections), and [Concepts](/help/concepts/what-are-concepts) for the chat.

## Open the Using: toolbar

<Frame>
  <img src="https://mintcdn.com/chief-2d405d1a/BBGD1uH7sfT84ugx/images/help/library-using-scope.png?fit=max&auto=format&n=BBGD1uH7sfT84ugx&q=85&s=daa0510750217c20428f5a1b0270d8c9" alt="Chief: scope — the Using toolbar chip showing files in scope" width="1700" height="265" data-path="images/help/library-using-scope.png" />
</Frame>

1. In the prompt bar, find the **Using:** toolbar beside the **+** button. Collapsed, it shows a compact summary (for example "12 files, 2 labels").
2. Click the chevron at the left of the toolbar. The toolbar expands to show chips for **Expert Voice:**, **Intelligence:**, **Using:** (your files and knowledge), and **Public Data**.

## Add Files, Labels, Collections, or Concepts

<Frame>
  <img src="https://mintcdn.com/chief-2d405d1a/6c2N7JENQEFQ6YbH/images/help/promptbar-scope-picker.png?fit=max&auto=format&n=6c2N7JENQEFQ6YbH&q=85&s=d632cca475956358e85ce296fc549ae1" alt="Chief: scope — the Add to chat picker with Files Labels Concepts tabs" width="1130" height="760" data-path="images/help/promptbar-scope-picker.png" />
</Frame>

1. Click the **+** button at the left of the action bar. The command menu opens.
2. Choose **Add from Library**. A picker opens with tabs for library items, Labels, Collections, and Concepts.
3. Select the items you want. Each selection is added to the chat's scope and appears in the **Using:** chip.
4. Type your prompt and send. Chief answers using exactly what is in scope.

<Note>
  💡 **Good to know:** Add **Labels** — [several at once](/help/labels/bulk-labeling) — or **Collections** instead of picking files one by one. A Label or Collection brings in every file it covers, and stays current as files move in and out of it.
</Note>

## Use your whole Library, or none of it

When the **Using:** chip shows the [Library](/help/your-knowledge-library/what-is-the-library) icon, Chief is drawing on every file in the Project. When it reads **None of my files**, Chief answers from the prompt and any [Public Data](/help/the-prompt-bar-scope/including-public-web-data-public-data) only.

## Clear the scope

1. Expand the **Using:** toolbar.
2. Click the **×** on the **Using:** chip. This removes all scoped files and knowledge and resets the chip to **None of my files**.

## FAQ

<AccordionGroup>
  <Accordion title="What's the difference between scope and @-mentioning?">
    Scope set through the **Using:** toolbar is standing context for the chat. An [**@**-mention](/help/the-prompt-bar-scope/mentioning-files-labels-collections-concepts) pulls a specific item into a single prompt inline. Both feed the same answer — mentions merge into scope when you send.
  </Accordion>

  <Accordion title="I added files but the answer ignored them.">
    Check that the files [finished processing](/help/your-knowledge-library/viewing-asset-details-file-processing-status) — a spinner on the **Using:** chip means work is still pending. Also confirm the files you expected are actually listed in the expanded toolbar and not removed — see [Chief can't see / isn't using my document](/help/troubleshooting/chief-cant-see-isnt-using-my-document) if it persists.
  </Accordion>

  <Accordion title="Why does my file count look lower than the number of files I added?">
    [Spreadsheets](/help/how-chief-works-magic-under-the-hood/how-chief-processes-spreadsheets) are counted separately and shown as their own count. The file count covers your other documents; the spreadsheet count is listed beside it.
  </Accordion>
</AccordionGroup>