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    :MnsTopicTriggerConfig

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    :MnsTopicTriggerConfig

    Last Updated:Sep 09, 2026

    Parameter

    Type

    Description

    Example

    object

    The configurations of the Message Service (MNS) topic trigger.

    filterTag

    string

    The filtering tag. Function execution is triggered only when a message that contains the specified filter tag is received.

    “serverless”
    notifyContentFormat

    string

    The content format of the trigger event. The following two content formats are supported:

    • JSON

    • STREAM

    JSON
    notifyStrategy

    string

    The retry policy. The following two retry policies are supported:

    • BACKOFF_RETRY: a backoff retry. It retries three times. The interval between consecutive retries is a random value between 10 seconds and 20 seconds.

    • EXPONENTIAL_DECAY_RETRY: an exponential decay retry policy. A total of 176 retries are performed, with the interval between consecutive retries increasing exponentially to 512 seconds. The total retry period is 1 day. The specific intervals are 1, 2, 4, 8, 16, 32, 64, 128, 256, and 512 seconds. The interval of 512 seconds are used for 167 times.

    Valid values:

    • EXPONENTIAL_DECAY_RETRY

    • BACKOFF_RETRY

    BACKOFF_RETRY