# Add a Participant to a Channel **POST /v1/Interactions/{InteractionSid}/Channels/{ChannelSid}/Participants** Add a Participant to a Channel. TODO: Resource-level docs ## Servers ## Parameters ### Path parameters - **InteractionSid** (string) The Interaction Sid for the new Channel Participant. - **ChannelSid** (string) The Channel Sid for the new Channel Participant. ### Body: (object) - **MediaProperties** () JSON representing the Media Properties for the new Participant. - **Type** (string) Participant type. Can be: `agent`, `customer`, `supervisor`, `external` or `unknown`. ## Responses ### 201 Created #### Body: (object) - **channel_sid** (string | null) The Channel Sid for this Participant. - **interaction_sid** (string | null) The Interaction Sid for this channel. - **sid** (string | null) The unique string that identifies the resource - **type** (string | null) Participant type. - **url** (string(uri) | null) [Powered by Bump.sh](https://bump.sh)