# TransferzeroSdk.FieldValidation ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **presence** | **Boolean** | Describes whether the field is mandatory or not | [optional] [readonly] **inclusion** | [**FieldSelectValidation**](FieldSelectValidation.md) | | [optional] **format** | **Object** | Contains the regex to use to validate the input field | [optional] [readonly]