# Add a new ChatroomParticipant **POST /api/chat/chatroom_participant** ## Servers - https://replace-with-own-host.iw-erp.de: https://replace-with-own-host.iw-erp.de () ## Authentication methods - Session token - Jwt token internal - Login config ## Parameters ### Query parameters - **iw-build-id** (string) build id of the client - **iw-package-id** (string) package id of the client ### Body: application/json (object) - **data** (object) ## Responses ### 200 Add a new ChatroomParticipant #### Body: application/json (object) - **id** (integer) - **participant_type** (string) - **chatroom** (object) - **first_name** (string) - **last_name** (string) - **nickname** (string) - **preferred_color_hex** (string) - **avatar_token** (string) - **last_read_at** (string(date-time)) - **message_count_read** (integer) - **room_admin** (boolean) - **can_write** (boolean) - **is_muted** (boolean) - **auto_created** (boolean) - **auto_reply** (boolean) - **ai_auto_close_secret_word** (string) - **ai_prompt** (string) - **ai_number_of_context_messages** (integer) - **created** (string(date-time)) - **updated** (string(date-time)) - **deleted** (boolean) - **name** (string) - **image_url** (string) [Powered by Bump.sh](https://bump.sh)