# \MessageApi
All URIs are relative to *http://localhost:8080/engine-rest*
Method | HTTP request | Description
------------- | ------------- | -------------
[**deliver_message**](MessageApi.md#deliver_message) | **post** /message |
## deliver_message
> Vec<crate::models::MessageCorrelationResultWithVariableDto> deliver_message(correlation_message_dto)
Correlates a message to the process engine to either trigger a message start event or an intermediate message catching event. Internally this maps to the engine's message correlation builder methods `MessageCorrelationBuilder#correlateWithResult()` and `MessageCorrelationBuilder#correlateAllWithResult()`. For more information about the correlation behavior, see the [Message Events](https://docs.camunda.org/manual/7.13/bpmn20/events/message-events/) section of the [BPMN 2.0 Implementation Reference](https://docs.camunda.org/manual/7.13/reference/bpmn20/).
### Parameters
Name | Type | Description | Required | Notes
------------- | ------------- | ------------- | ------------- | -------------
**correlation_message_dto** | Option<[**CorrelationMessageDto**](CorrelationMessageDto.md)> | | |
### Return type
[**Vec<crate::models::MessageCorrelationResultWithVariableDto>**](MessageCorrelationResultWithVariableDto.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)