curl --request POST \
--url https://eu1.api.matillion.com/dpc/v1/projects/{projectId}/variables \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"behaviour": "COPIED",
"type": "NUMBER",
"description": "<string>",
"name": "<string>",
"supportsDoubleResolution": true,
"value": "<unknown>"
}
'