你当前正在访问 Microsoft Azure Global Edition 技术文档网站。如果需要访问由世纪互联运营的 Microsoft Azure 中国技术文档网站，请访问 https://docs.azure.cn。

MessageDeltaChunk interface

Represents a message delta i.e. any changed fields on a message during streaming.

Properties

delta	The delta containing the fields that have changed on the Message.
id	The identifier of the message, which can be referenced in API endpoints.
object	The object type, which is always `thread.message.delta`.

The delta containing the fields that have changed on the Message.

delta: MessageDelta

MessageDelta

The identifier of the message, which can be referenced in API endpoints.

id: string

string

The object type, which is always thread.message.delta.

object: "thread.message.delta"

"thread.message.delta"