---
title: "POST /multicast-groups"
method: POST
path: "/multicast-groups"
---

# POST /multicast-groups

`POST /multicast-groups`

Creates a multicast group.

## Request body

- object
  - `Name` string — The name of the multicast group.
  - `Description` string — The description of the new resource.
  - `ClientRequestToken` string — Each resource must have a unique client request token. If you try to create a new resource with the same token as a resource that already exists, an exception occurs. If you omit this value, AWS SDKs will automatically generate a unique client request.
  - `LoRaWAN` object, required — The LoRaWAN information that is to be used with the multicast group.
    - `RfRegion` 'EU868' | 'US915' | 'AU915' | 'AS923-1' | 'AS923-2' | 'AS923-3' | 'AS923-4' | 'EU433' | 'CN470' | 'CN779' | 'RU864' | 'KR920' | 'IN865' — Supported RfRegions
    - `DlClass` 'ClassB' | 'ClassC' — DlClass for LoRaWAM, valid values are ClassB and ClassC.
  - `Tags` Tag[] — The tag to attach to the specified resource. Tags are metadata that you can use to manage a resource.
    - `Key` string, required — The tag's key value.
    - `Value` string, required — The tag's value.

## Response `201`

Success

- CreateMulticastGroupResponse
  - `Arn` string — The arn of the multicast group.
  - `Id` string — The ID of the multicast group.

## Other responses

- `480` — ValidationException
- `481` — ResourceNotFoundException
- `482` — AccessDeniedException
- `483` — ConflictException
- `484` — InternalServerException
- `485` — ThrottlingException

---

[API](https://skmtc.net/aws/apis/iotwireless.md) · [All operations](https://skmtc.net/aws/apis/iotwireless/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/iotwireless/versions/022d242d4bce/schema)