# RunStepDeltaStepDetailsMessageCreationObject
## Properties
Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**r#type** | **String** | Always `message_creation`. |
**message_creation** | Option<[**models::RunStepDeltaStepDetailsMessageCreationObjectMessageCreation**](RunStepDeltaStepDetailsMessageCreationObject_message_creation.md)> | | [optional]
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