---
title: "tool si.act.raise_need"
description: "a cell's key, the reason and the value: the cell, wanted."
section: reference
address: /reference/tools/si-act-raise_need
contract: 0476e35e6e275db5
---

# tool si.act.raise_need

a cell's key, the reason and the value: the cell, wanted.

[figure: Over MCP, si.act.raise_need takes RaiseNeedInput and returns a card whose body is DemandCell.]

the cell, wanted. The call needs the act grant at the brand rung.



| | |
|---|---|
| input | [RaiseNeedInput](/concepts/raiseneedinput) |
| result | a card whose body is [DemandCell](/concepts/demandcell) |
| read-only | no |
| destructive | yes |
| card address | `ui://scale-intelligence/cards/DemandCell` |
| HTTP route | [`/v1/act/raise_need`](/reference/act/raise_need) |





| field | type | required | note |
|---|---|---|---|
| `source` | [Source](/concepts/source) | yes |  |
| `entities` | [Predicate](/concepts/predicate) | yes |  |
| `bucket` | [Window](/concepts/window) | yes |  |
| `fields` | `[text]` | yes |  |
| `value` | `share` | yes |  |