---
title: "DataGroup"
description: "a named set of units of one kind inside one scope, written as a predicate or a list"
section: concepts
address: /concepts/datagroup
contract: 0476e35e6e275db5
---

# DataGroup

a named set of units of one kind inside one scope, written as a predicate or a list

[figure: DataGroup is a definition at tenant scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | definition |
| scope | tenant |
| key | its name and its scope |
| store | postgres |
| family | people |



## Fields


| field | type | required | note |
|---|---|---|---|
| `name` | `text` | yes |  |
| `kind` | [Kind](/concepts/kind) | yes |  |
| `scope` | [Scope](/concepts/scope) | yes |  |
| `members` | [Predicate](/concepts/predicate) | no | or a list |
| `list` | `[id]` | no |  |



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