curl --request POST \
  --url https://http.us.breakcold.com/api/v1/crm/objects/{objectTypeId}/fields \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "slug": "<string>",
  "name": "<string>",
  "fieldType": "<string>",
  "description": "<string>",
  "isRequired": true,
  "isMultiple": true,
  "showInCreateModal": true,
  "defaultValue": "<unknown>",
  "validation": {},
  "targetObjectTypeId": "<string>",
  "notifyOnAssign": true,
  "interactionRollupMode": "<string>",
  "relationCardinality": "<string>",
  "inverseName": "<string>",
  "inverseSlug": "<string>",
  "defaultValueTemplate": "<string>",
  "isComputed": true,
  "computeExpression": "<string>",
  "isIdentifier": true,
  "options": [
    {
      "id": "<string>",
      "fieldDefinitionId": "<string>",
      "value": "<string>",
      "label": "<string>",
      "order": 123,
      "isDefault": true,
      "isActive": true,
      "color": "<string>"
    }
  ]
}
'

{
  "field": {
    "id": "<string>",
    "workspaceId": "<string>",
    "objectTypeId": "<string>",
    "slug": "<string>",
    "name": "<string>",
    "fieldType": "<string>",
    "isSystem": true,
    "isRequired": true,
    "isHidden": true,
    "isMultiple": true,
    "isPrimary": true,
    "order": 123,
    "createdAt": 123,
    "updatedAt": 123,
    "description": "<string>",
    "isReadOnly": true,
    "showInCreateModal": true,
    "defaultValue": "<unknown>",
    "validation": {},
    "targetObjectTypeId": "<string>",
    "relationDefinitionId": "<string>",
    "notifyOnAssign": true,
    "defaultValueTemplate": "<string>",
    "isComputed": true,
    "computeExpression": "<string>",
    "isIdentifier": true
  }
}