chromium/chromeos/components/test/data/onc/shill_cellular_apn_policies.json

{
    "AutoConnect": true,
    "Type": "cellular",
    "Cellular.AllowRoaming": true,
    "Cellular.APN": {
      "apn": "test-apn-1",
      "apn_source": "admin",
      "apn_types": "DEFAULT",
      "ip_type": "",
      "username": "test-username",
      "password": "test-password"
    },
    "Cellular.CustomAPNList": [
      {
        "apn": "test-apn-1",
        "apn_source": "admin",
        "apn_types": "DEFAULT",
        "ip_type": "",
        "username": "test-username",
        "password": "test-password"
      },
      {
        "apn": "test-apn-2",
        "apn_source": "admin",
        "apn_types": "DEFAULT",
        "authentication": "chap",
        "username": "test-username",
        "password": "test-password"
      },
      {
        "apn": "test-apn-3",
        "apn_source": "admin",
        "apn_types": "DEFAULT,IA",
        "authentication": "pap",
        "ip_type": "ipv4v6",
        "username": "test-username",
        "password": "test-password"
      },
      {
        "apn": "test-apn-4",
        "apn_source": "admin",
        "apn_types": "DEFAULT,IA,DUN",
        "authentication": "chap",
        "ip_type": "ipv4v6",
        "username": "test-username",
        "password": "test-password"
      }
    ]
  }