curl --request POST \
  --url https://api.duplik.cn/v1/spaces/completions/{space_id}/function \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model_name": "<string>",
  "max_tokens": 123,
  "system_message": "<string>",
  "function": {},
  "user_message": "<string>"
}
'

{
  "name": "<string>",
  "arguments": {}
}