---
title: "Column"
description: "one column of a served table"
section: concepts
address: /concepts/column
contract: 0476e35e6e275db5
---

# Column

one column of a served table

[figure: Column is a value at none scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | value |
| scope | none |
| key | none |
| store | none |
| family | rules_engine |



## Fields


| field | type | required | note |
|---|---|---|---|
| `name` | `text` | yes |  |
| `type` | `text` | yes | a type of this register or a primitive |
| `version` | `count` | yes |  |
| `required` | `bool` | no | whether every row must carry it; for a served table's columns, absent |



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