ChatCompletionChunkChoiceDelta

Delta changes in streaming response

Fields

Field	Type	Required	Description
`role`	Optional[models.ChatCompletionChunkChoiceDeltaRole]	➖	The role of the message author
`content`	OptionalNullable[str]	➖	Message content delta
`reasoning`	OptionalNullable[str]	➖	Reasoning content delta
`refusal`	OptionalNullable[str]	➖	Refusal message delta
`tool_calls`	List[models.ChatCompletionChunkChoiceDeltaToolCall]	➖	Tool calls delta
`reasoning_details`	List[models.ReasoningDetail]	➖	Reasoning details delta to send reasoning details back to upstream
`annotations`	List[models.AnnotationDetail]	➖	Annotations delta to send annotations back to upstream