---
title: "Assignment"
description: "which members a move touched and which it left alone, written before the first action"
section: concepts
address: /concepts/assignment
contract: 0476e35e6e275db5
---

# Assignment

which members a move touched and which it left alone, written before the first action

[figure: Assignment is a fact at strategy scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | fact |
| scope | strategy |
| key | the move, the member and the group |
| store | postgres+lake |
| family | record |



## Fields


| field | type | required | note |
|---|---|---|---|
| `move` | `id` | yes |  |
| `member` | `id` | yes |  |
| `group` | `one of touched \| left alone` | yes |  |
| `chosen_at` | `time` | yes |  |
| `replaces` | `id` | no | a member that changes group later is a new fact that names the first |



## Routes that use it
No route takes or returns Assignment directly. The record holds it, and the objects that point at it reach it.