# IoPeriodArgoprojPeriodEventsPeriodV1alpha1PeriodExprFilter ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **expr** | Option<**String**> | Expr refers to the expression that determines the outcome of the filter. | [optional] **fields** | Option<[**Vec**](io.argoproj.events.v1alpha1.PayloadField.md)> | Fields refers to set of keys that refer to the paths within event payload. | [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)