# \ConditionApi All URIs are relative to *http://localhost:8080/engine-rest* Method | HTTP request | Description ------------- | ------------- | ------------- [**evaluate_condition**](ConditionApi.md#evaluate_condition) | **post** /condition | ## evaluate_condition > Vec evaluate_condition(evaluation_condition_dto) Triggers evaluation of conditions for conditional start event(s). Internally this maps to the engines condition evaluation builder method ConditionEvaluationBuilder#evaluateStartConditions(). For more information see the [Conditional Start Events](https://docs.camunda.org/manual/7.13/reference/bpmn20/events/conditional-events/#conditional-start-event) section of the [BPMN 2.0 Implementation Reference](https://docs.camunda.org/manual/7.13/reference/bpmn20/). ### Parameters Name | Type | Description | Required | Notes ------------- | ------------- | ------------- | ------------- | ------------- **evaluation_condition_dto** | Option<[**EvaluationConditionDto**](EvaluationConditionDto.md)> | | | ### Return type [**Vec**](ProcessInstanceDto.md) ### Authorization No authorization required ### HTTP request headers - **Content-Type**: application/json - **Accept**: application/json [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)