---
title: "PlaceParticipantInput"
description: "a party placed in a role on a stock of a vertical's chain"
section: concepts
address: /concepts/placeparticipantinput
contract: 0476e35e6e275db5
---

# PlaceParticipantInput

a party placed in a role on a stock of a vertical's chain

[figure: PlaceParticipantInput 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` | yes |  |
| `segment` | `id` | no |  |
| `stock` | `text` | yes |  |
| `party` | `id` | yes |  |
| `party_kind` | `one of company \| brand \| person \| account \| community \| organisation` | yes |  |
| `role` | [RoleAroundADecision](/concepts/rolearoundadecision) | yes |  |
| `side` | `one of demand \| supply \| intermediary \| influence \| rules` | yes |  |
| `impact_on` | [ParticipantImpact](/concepts/participantimpact) | no |  |
| `evidence` | [EvidenceRef](/concepts/evidenceref) | yes |  |



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