nextcloudpi/etc/ncp-config.d/letsencrypt.cfg

{
  "id": "letsencrypt",
  "name": "Let's Encrypt, Automatic signed SSL certificates",
  "title": "letsencrypt",
  "description": "Automatic signed SSL certificates. Let’s Encrypt is a free, automated, and open Certificate Authority.",
  "info": "Internet access is required for this configuration to complete\nBoth ports 80 and 443 need to be accessible from the internet\n\nYour certificate will be automatically renewed every month",
  "infotitle": "Warning",
  "params": [
    {
      "id": "ACTIVE",
      "name": "Active",
      "value": "no",
      "type": "bool"
    },
    {
      "id": "DOMAIN",
      "name": "Domain",
      "value": "",
      "suggest": "mycloud.nextcloudpi.com"
    },
    {
      "id": "OTHER_DOMAIN",
      "name": "Additional domain",
      "value": "",
      "suggest": "optional.cloud.nextcloudpi.com"
    },
    {
      "id": "EMAIL",
      "name": "Email",
      "value": "",
      "suggest": "mycloud@nextcloudpi.com"
    }
  ]
}