The details of the run step.
| Name | Type | Description | Notes |
|---|---|---|---|
| type | TypeEnum | Always `message_creation`. | |
| messageCreation | RunStepDeltaStepDetailsMessageCreationObjectMessageCreation | [optional] | |
| toolCalls | List<RunStepDeltaStepDetailsToolCallsObjectToolCallsInner> | An array of tool calls the run step was involved in. These can be associated with one of three types of tools: `code_interpreter`, `file_search`, or `function`. | [optional] |
| Name | Value |
|---|---|
| MESSAGE_CREATION | "message_creation" |
| TOOL_CALLS | "tool_calls" |