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    Message Service:TopicMessage

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    Message Service:TopicMessage

    Last Updated:Dec 25, 2023

    This topic describes the parameters of topic messages. A message can be retained for up to one day in a topic. After the retention period ends, the message is collected by garbage collector regardless of whether the message is pushed to the endpoints.

    Parameters

    • MessageId

      • The ID of the message.

      • The message ID is unique in the topic.

    • Message

      • The body of the message.

    • MessageMD5

      • The MD5 hash of the message body.

    • MessageTag

      • The tag of the message.

      • If you specify a tag when you publish the message, Message Service (MNS) pushes the message to the endpoints based on the tag.

    • PublishTime

      • The time when the message was published. The value is a UNIX timestamp. It is the number of milliseconds that have elapsed since 00:00:00 Thursday, January 1, 1970.