Changes to Send message.

removed the media type application/json from the request body

the response property data/response_feedback became nullable for the status 200

added the new 422.00 enum value to the data/code response property for the response status 400

added the new 422.00 enum value to the data/code response property for the response status 401

added the new 422.00 enum value to the data/code response property for the response status 404

added the new 422.00 enum value to the data/code response property for the response status 429

added the new 422.00 enum value to the data/code response property for the response status 500

added the new disliked enum value to the data/response_feedback/reaction response property for the response status 200

added the new liked enum value to the data/response_feedback/reaction response property for the response status 200

added the new neutral enum value to the data/response_feedback/reaction response property for the response status 200

added the media type multipart/form-data to the request body

added the non-success response with the status 409

added the optional property data/citations_external to the response with the 200 status

added the optional property data/citations_hidden to the response with the 200 status

added the optional property data/customer_intelligence to the response with the 200 status

added the optional property data/tools to the response with the 200 status

removed the neutral disliked liked enum value from the data/response_feedback/reaction response property for the response status 200

added the new Agent id is required enum value to the data/message response property for the response status 404

added the new Agent with id {projectId} not found enum value to the data/message response property for the response status 404

added the new optional query request parameter external_id

added the new optional request property chatbot_model

added the new optional request property custom_persona

added the new optional request property response_source

added the non-success response with the status 429

added the optional property data/metadata/external_id to the response with the 200 status

added the optional property data/metadata/request_source to the response with the 200 status

added the optional property data/response_feedback to the response with the 200 status

removed the Project id is required enum value from the data/message response property for the response status 404

removed the Project with id {projectId} not found enum value from the data/message response property for the response status 404

added the non-success response with the status 400

added the optional property data/metadata to the response with the 200 status

removed the optional property data/message from the response with the 200 status

added the optional property data/citations to the response with the 200 status

added the optional property data/conversation_id to the response with the 200 status

added the optional property data/created_at to the response with the 200 status

added the optional property data/id to the response with the 200 status

added the optional property data/openai_response to the response with the 200 status

added the optional property data/updated_at to the response with the 200 status

added the optional property data/user_id to the response with the 200 status

added the optional property data/user_query to the response with the 200 status

deleted the query request parameter external_id

removed the request property chatbot_model

removed the request property custom_persona

removed the request property response_source

removed the optional property data/citations from the response with the 200 status

removed the optional property data/conversation_id from the response with the 200 status

removed the optional property data/created_at from the response with the 200 status

removed the optional property data/id from the response with the 200 status

removed the optional property data/metadata from the response with the 200 status

removed the optional property data/openai_response from the response with the 200 status

removed the optional property data/response_feedback from the response with the 200 status

removed the optional property data/updated_at from the response with the 200 status

removed the optional property data/user_id from the response with the 200 status

removed the optional property data/user_query from the response with the 200 status

added the new Project id is required enum value to the data/message response property for the response status 404

added the new Project with id {projectId} not found enum value to the data/message response property for the response status 404

removed the non-success response with the status 400

removed the non-success response with the status 429

added the optional property data/message to the response with the 200 status

removed the Agent id is required enum value from the data/message response property for the response status 404

removed the Agent with id {projectId} not found enum value from the data/message response property for the response status 404