{
  "type": "number",
  "key": "smtp_port",
  "constant": "SMTP_PORT",
  "description": "The SMTP port of the application",
  "required": true,
  "placeholder": "587",
  "validation": "required|integer|min:1|max:65535",
  "options": [],
  "category": "email",
  "sensitive": false
}