Participant object | RelayRTC Docs

Fields

Field	Type	Meaning
`id`	string	Resource identifier.
`roomId`	string	Owning room.
`externalId`	string or null	External identity, or null.
`name`	string	Display name.
`metadata`	object	Application-defined JSON object.
`role`	string	Participant role.
`joinedAt`	string	Join timestamp.
`leftAt`	string or null	Leave timestamp, or null.

Example

{
  "id": "participant_example",
  "roomId": "room_example",
  "externalId": null,
  "name": "Alice",
  "metadata": {},
  "role": "participant",
  "joinedAt": "2026-01-01T12:00:00.000Z",
  "leftAt": null
}