token: ********************curl --location '/admin/servers//customfields' \
--header 'token: <api-key>'{
"success": true,
"fields": [
{
"id": 0,
"fieldname": "string",
"fieldtype": "string",
"fieldregex": "string",
"fieldoptions": [
"string"
],
"description": "string",
"order": 0,
"value": null
}
]
}