curl --request POST \
  --url https://api.hubapi.com/events/v3/event-definitions/{eventName}/property \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "label": "<string>",
  "type": "<string>",
  "description": "<string>",
  "name": "<string>",
  "options": [
    {
      "displayOrder": 123,
      "hidden": true,
      "label": "<string>",
      "value": "<string>",
      "description": "<string>"
    }
  ]
}
'

{
  "description": "<string>",
  "fieldType": "<string>",
  "groupName": "<string>",
  "label": "<string>",
  "name": "<string>",
  "options": [
    {
      "hidden": true,
      "label": "<string>",
      "value": "<string>",
      "description": "<string>",
      "displayOrder": 123
    }
  ],
  "type": "<string>",
  "archived": true,
  "archivedAt": "2023-11-07T05:31:56Z",
  "calculated": true,
  "calculationFormula": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "createdUserId": "<string>",
  "dataSensitivity": "highly_sensitive",
  "dateDisplayHint": "absolute",
  "displayOrder": 123,
  "externalOptions": true,
  "formField": true,
  "hasUniqueValue": true,
  "hidden": false,
  "hubspotDefined": true,
  "modificationMetadata": {
    "archivable": true,
    "readOnlyDefinition": true,
    "readOnlyValue": true,
    "readOnlyOptions": true
  },
  "referencedObjectType": "<string>",
  "sensitiveDataCategories": [
    "<string>"
  ],
  "showCurrencySymbol": true,
  "updatedAt": "2023-11-07T05:31:56Z",
  "updatedUserId": "<string>"
}