---
title: "Update Marketing Poster"
method: PATCH
path: "/events/{event_id}/marketing/posters/{poster_id}"
tags: ["marketing"]
---

# Update Marketing Poster

`PATCH /events/{event_id}/marketing/posters/{poster_id}`

## Request

- Base URL: `https://api.confbuilder.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.confbuilder.com/events/{event_id}/marketing/posters/{poster_id}`
- Auth: none declared

Update editable fields (name, entity selection, column counts, PNG pref,
hosted card URLs). kind is fixed at creation — never patched.

## Path parameters

- `event_id` string, required
- `poster_id` string, uuid, required

## Request body

- MarketingPosterUpdateSchema
  - `name` string, nullable
  - `entityIds` string[], nullable
  - `colsDesktop` integer, nullable
  - `colsMobile` integer, nullable
  - `pngCols` integer, nullable
  - `cardUrls` object, nullable

## Response `200`

Successful Response

- MarketingPosterSchema
  - `eventId` string, uuid, required
  - `kind` string, required
  - `name` string, required
  - `entityIds` string[]
  - `colsDesktop` integer
  - `colsMobile` integer
  - `pngCols` integer, nullable
  - `cardUrls` object, nullable
  - `id` string, uuid, nullable
  - `createdAt` string, date-time, nullable
  - `updatedAt` string, date-time, nullable
  - `createdBy` string, uuid, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/confbuilder/apis/confbuilder-api.md) · [All operations](https://skmtc.dev/confbuilder/apis/confbuilder-api/llms.txt) · [OpenAPI document](https://skmtc.dev/confbuilder/apis/confbuilder-api/revisions/9e576d664e16?raw)