# Manage Conference Participant 

Manages conference participant in a specified conference:
* mute / unmute
* put on hold / resume.

Endpoint: PATCH /calling/v1/conferences/id/{conferenceId}/{callId}
Version: 1.0.1
Security: Basic, Signed

## Security:

  - `Basic` (unknown)
    http basic

  - `Signed` (unknown)
    apiKey in header Authorization

## Path parameters:

  - `callId` (string, required)
    The unique identifier of the call. This value is generated by the system.

  - `conferenceId` (string, required)
    The unique identifier of the conference. The user sets this value.

## Request fields (application/json):

  - `command` (string, required)
    Action to apply on conference participant.
    Enum: "mute", "unmute", "onhold", "resume"

  - `moh` (string)
    Means "music on hold". If this optional parameter is included, plays music to the first participant in a conference while they're alone and waiting for other participants to join. If `moh` isn't specified, the user will only hear silence while alone in the conference. This property is only available to use with the `onhold` command.
    Enum: "ring", "music1", "music2", "music3"

## Request examples:

  - `Mute a participant` (unknown)

  - `Unmute a participant` (unknown)

  - `Place a participant on hold` (unknown)

  - `Return participant to conference` (unknown)

## Response 200:

  - `200` (unknown)
    A success response, or an [Error](https://developers.sinch.com/docs/voice/api-reference/errors/).