---
title: "POST /api/services/app/SupportRequest/AddMessage"
method: POST
path: "/api/services/app/SupportRequest/AddMessage"
tags: ["SupportRequest"]
---

# POST /api/services/app/SupportRequest/AddMessage

`POST /api/services/app/SupportRequest/AddMessage`

## Request body

- CreateSupportMessageDto
  - `supportRequestId` integer — Range 1–2147483647
  - `messageContent` string, nullable — Max length 4000
  - `attachmentImages` string, nullable — Max length 2000

## Response `200`

Success

- SupportMessageDto
  - `id` integer
  - `creationTime` string, date-time
  - `creatorUserId` integer, nullable
  - `lastModificationTime` string, date-time, nullable
  - `lastModifierUserId` integer, nullable
  - `supportRequestId` integer
  - `senderUserId` integer, nullable
  - `senderUserName` string, nullable
  - `messageContent` string, nullable — Max length 4000
  - `attachmentImages` string, nullable — Max length 2000

---

[API](https://skmtc.dev/dalieu/apis/portaldalieu-api.md) · [All operations](https://skmtc.dev/dalieu/apis/portaldalieu-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/dalieu/portaldalieu-api/revisions/78dcf1621c0e/schema)