Authorization: Bearer ********************{
"element_name": "",
"element_description": "",
"element_frontal_image": "",
"element_refer_list": ""
}curl --location --request POST '/kling/v1/general/custom-elements' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"element_name": "",
"element_description": "",
"element_frontal_image": "",
"element_refer_list": ""
}'{}