curl --request POST \
--url https://api.fluxend.app/functions/{schema} \
--header 'Authorization: <authorization>' \
--header 'Content-Type: application/json' \
--header 'X-Project: <x-project>' \
--data '{
"definition": "<string>",
"language": "<string>",
"name": "<string>",
"parameters": [
{
"name": "<string>",
"type": "<string>"
}
],
"projectUUID": "<string>",
"return_type": "<string>"
}'