# DePeriodMittwaldPeriodV1PeriodAppPeriodSystemSoftwareVersion ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **expiry_date** | Option<**String**> | | [optional] **external_version** | **String** | | **fee** | Option<[**models::DePeriodMittwaldPeriodV1PeriodFeePeriodFeeStrategy**](de.mittwald.v1.fee.FeeStrategy.md)> | | [optional] **id** | [**uuid::Uuid**](uuid::Uuid.md) | | **internal_version** | **String** | | **recommended** | Option<**bool**> | | [optional] **system_software_dependencies** | Option<[**Vec**](de.mittwald.v1.app.SystemSoftwareDependency.md)> | | [optional] **user_inputs** | Option<[**Vec**](de.mittwald.v1.app.UserInput.md)> | | [optional] [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)