---
title: "ModelFamiliesInput"
description: "the vertical or the representation the families must fit; both absent asks for every family"
section: concepts
address: /concepts/modelfamiliesinput
contract: 0476e35e6e275db5
---

# ModelFamiliesInput

the vertical or the representation the families must fit; both absent asks for every family

[figure: ModelFamiliesInput 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 | harness |



## Fields


| field | type | required | note |
|---|---|---|---|
| `vertical` | `id` | no |  |
| `representation` | `one of stocks and flows \| a graph of participants and handovers \| a hypergraph of co-presence \| agents with behaviours \| a game of roles` | no |  |



## Routes that use it
- [`/v1/read/model_families`](/reference/read/model_families) takes it as input