---
title: "tool si.ask.preview"
description: "a predicate or its hash, the place, the window, the speeds wanted, and the caller with the surface it calls from: the typed answer of section 2.3, as it fills."
section: reference
address: /reference/tools/si-ask-preview
contract: 0476e35e6e275db5
---

# tool si.ask.preview

a predicate or its hash, the place, the window, the speeds wanted, and the caller with the surface it calls from: the typed answer of section 2.3, as it fills.

[figure: Over MCP, si.ask.preview takes PreviewInput and returns a card whose body is PreviewAnswer.]

the typed answer of section 2.3, as it fills. The call needs the ask grant at the strategy rung.



| | |
|---|---|
| input | [PreviewInput](/concepts/previewinput) |
| result | a card whose body is [PreviewAnswer](/concepts/previewanswer) |
| read-only | yes |
| destructive | no |
| card address | `ui://scale-intelligence/cards/PreviewAnswer` |
| HTTP route | [`/v1/ask/preview`](/reference/ask/preview) |





| field | type | required | note |
|---|---|---|---|
| `predicate` | [Predicate](/concepts/predicate) | no |  |
| `predicate_hash` | `hash` | no |  |
| `place` | [PlaceARunsAt](/concepts/placearunsat) | yes |  |
| `window` | [Window](/concepts/window) | yes |  |
| `speeds` | `[one of instant \| the last seven days \| the whole record]` | yes |  |
