curl --request POST \
  --url https://public-api.sessionboard.com/v1/event/{eventId}/fields \
  --header 'Content-Type: application/json' \
  --header 'x-access-token: <api-key>' \
  --data '
{
  "filters": {
    "module": "session",
    "source": "standard",
    "scope": "global",
    "createdAt": {
      "before": "2023-11-07T05:31:56Z",
      "after": "2023-11-07T05:31:56Z"
    },
    "updatedAt": {
      "before": "2023-11-07T05:31:56Z",
      "after": "2023-11-07T05:31:56Z"
    }
  },
  "sort": {
    "order": "createdAt",
    "sort": "asc"
  },
  "expand": [
    "<string>"
  ]
}
'

{
  "data": [
    {
      "id": "<string>",
      "internal_name": "<string>",
      "public_name": "<string>",
      "field_type": "<string>",
      "field_source": "<string>",
      "contains_pii": true,
      "scope": "<string>",
      "createdAt": "<string>",
      "updatedAt": "<string>"
    }
  ],
  "pagination": {
    "currentPage": 123,
    "pageSize": 123,
    "totalPages": 123,
    "totalResults": 123
  }
}