Create Security Case Custom Field

{
  "data": {
    "projectId": "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
    "name": "Example Text"
  }
}

{
  "data": {
    "_id": "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
    "createdAt": {
      "_type": "DateTime",
      "value": "2023-10-01T12:00:00Z"
    },
    "updatedAt": {
      "_type": "DateTime",
      "value": "2023-10-01T12:00:00Z"
    },
    "deletedAt": {
      "_type": "DateTime",
      "value": "2023-10-01T12:00:00Z"
    },
    "project": {
      "_id": "bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb"
    },
    "projectId": "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
    "name": "Example Text",
    "description": "This is an example of longer text content that provides detailed information.",
    "customFieldType": null,
    "dropdownOptions": "This is an example of longer text content that provides detailed information.",
    "mapFromResourceType": "Example Text",
    "mapFromCustomFieldName": "Example Text",
    "createdByUser": {
      "_id": "bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb"
    },
    "createdByUserId": "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
    "deletedByUser": {
      "_id": "bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb"
    },
    "deletedByUserId": "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"
  }
}