curl --request POST \
  --url 'https://api.flashcat.cloud/preference/update?app_key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "trigger_notify": {
    "critical": [
      "email"
    ],
    "warning": [
      "email"
    ],
    "info": [
      "email"
    ]
  },
  "schedule_shift_notify": {
    "personal_channels": [
      "email"
    ]
  },
  "status_change_notify": {
    "im_integrations": [
      "<string>"
    ]
  }
}
'

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}