curl --location --request POST 'http://dev-cn.your-api-server.com/v3/alipay/merchant/tradecomplain/supplement' \
--header 'Content-Type: application/json' \
--data-raw '{
"complain_event_id": "2020092300102000000001459758",
"supplement_content": "已发货,快递单号详见截图",
"supplement_images": "ySYHS5CtTCmag14Wk8jeNAAAACMAAQEW,ySYHS5CtTCmag14Wk8jeNAAAACMAAQAX"
}'
{}