---
title: "Update order index of activity and automatically reorder existing activities"
method: POST
path: "/LessonActivity/UpdateOrder"
tags: ["LessonActivity"]
---

# Update order index of activity and automatically reorder existing activities

`POST /LessonActivity/UpdateOrder`

## Headers

- `X-Version` string

## Request body

- UpdateOrderRequest
  - `activityId` integer, nullable — lesson activity identifier required if no LessonActivityId provided
  - `lessonId` integer, nullable — lesson identifier required if no ActivityId provided
  - `lessonActivityId` integer, nullable — Non-unique lesson specific activity identifier required if no ActivityId provided
  - `orderIndex` integer, required — new order number of activity within the lesson

## Response `200`

activity orderIndex updated

## Other responses

- `400` — if param invalid
- `401` — if unauthorized

---

[API](https://skmtc.dev/eon-xr/apis/eonxr-api.md) · [All operations](https://skmtc.dev/eon-xr/apis/eonxr-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/eon-xr/eonxr-api/revisions/538c75161c64/schema)