There are two types of message context: identity context and origin context.

有两种类型的消息上下文：身份上下文（identity context）和发送者上下文（origin context）。

youdao

If CONTROL access is granted to a group, such as AP2USRS, it would allow users in that group to set both origin and identity context.

如果CONTROL访问权授予一个组，比如ap2usrs，那么它将允许该组中的用户设置原始和身份上下文。

youdao

Identity context information identifies the user of the application that first put the message on a queue.

身份上下文信息标识首次将消息放入队列的应用程序的用户。

youdao

Identity context information identifies the user of the application that first put the message on a queue.

身份上下文信息标识首次将消息放入队列的应用程序的用户。

youdao