This section describes how to manage data outbound rules in the Message Queue for MQTT console.

Background information

You must create data outbound rules before you can export data from Message Queue for MQTT to other Alibaba Cloud services. Message Queue for MQTT uses data outbound rules to forward messages from Message Queue for MQTT clients to other Alibaba Cloud services. You can call APIs of the Alibaba Cloud services to obtain messages from the Message Queue for MQTT clients. Outbound data

Limits

For more information, see Rule-related limits.

Create a data outbound rule

  1. Log on to the Message Queue for MQTT console.
  2. In the left-side navigation pane, click Instances.
  3. In the top navigation bar, select a region.
  4. Find the instance for which you want to create a data outbound rule in the instance list. In the Actions column, choose More > Rules.
  5. In the upper-left corner of the Rules page, click Create Rule.
  6. On the Create Rule page, perform the following steps:
    1. In the Configure Basic Information step, set the following parameters and click Next.
      Parameter Example Description
      Rule ID 111111 The global unique identifier of the rule.
      • It can contain only letters, digits, hyphens (-), and underscores (_) and must contain at least one letter or digit.
      • It must be 3 to 64 characters in length. If the value contains more than 64 characters, it is automatically truncated.
      • It cannot be updated after the rule is created.
      Description migrate from rocketmq The description of the rule.
      Status Enable Specifies whether to enable the current rule. Valid values:
      • Enable
      • Disable
      Rule Type Data Outbound The type of the rule. Valid values:
    2. In the Configure Rule Source step, specify the data source and click Next.
      Parameter Example Description
      Topic TopicA The source topic from which you want to export data. Specify a topic of Message Queue for MQTT.
    3. In the Configure Rule Destination step, specify the destination to which the data is forwarded and click Create.
      Parameter Example Description
      Destination Service Type Message Queue for Apache RocketMQ The cloud service to which the data of the source topic is forwarded.
      Note Only Message Queue for Apache RocketMQ is supported.
      Message Queue for Apache RocketMQ Instance MQ_INST_13801563067*****_BbyOD2jQ The ID of the Message Queue for Apache RocketMQ instance to which the data is forwarded.
      Note You can select only an instance that resides in the same region as the Message Queue for MQTT instance.
      Topic TopicB The Message Queue for Apache RocketMQ topic to which the data is forwarded. In this example, the data of the source topic is forwarded to TopicB.
    You can view the data outbound rule that you create on the Rules page.
Note For more information about the message structure mappings between Message Queue for MQTT and Message Queue for Apache RocketMQ, see Message structure mappings between Message Queue for MQTT and Message Queue for Apache RocketMQ.

Edit a data outbound rule

  1. Log on to the Message Queue for MQTT console.
  2. In the left-side navigation pane, click Instances.
  3. In the top navigation bar, select the region where your instance is located.
  4. Find the instance for which you want to create a data outbound rule in the instance list. In the Actions column, choose More > Rules.
  5. In the rule list, find the rule that you want to edit. In the Actions column, choose More > Edit.
  6. On the Edit Rule page, you can change all parameter values except the rule ID.
  7. After you change parameter values as needed, click Save in the Configure Rule Destination step.

Delete a data outbound rule

  1. Log on to the Message Queue for MQTT console.
  2. In the left-side navigation pane, click Instances.
  3. In the top navigation bar, select the region where your instance is located.
  4. Find the instance for which you want to create a data outbound rule in the instance list. In the Actions column, choose More > Rules.
  5. In the rule list, find the rule that you want to delete. In the Actions column, choose More > Delete.
  6. In the message that appears, click OK.

Enable a data outbound rule

  1. Log on to the Message Queue for MQTT console.
  2. In the left-side navigation pane, click Instances.
  3. In the top navigation bar, select the region where your instance is located.
  4. Find the instance for which you want to create a data outbound rule in the instance list. In the Actions column, choose More > Rules.
  5. In the rule list, find the rule that you want to enable. In the Actions column, choose More > Enable.
  6. In the message that appears, click OK.

Disable a data outbound rule

  1. Log on to the Message Queue for MQTT console.
  2. In the left-side navigation pane, click Instances.
  3. In the top navigation bar, select the region where your instance is located.
  4. Find the instance for which you want to create a data outbound rule in the instance list. In the Actions column, choose More > Rules.
  5. In the rule list, find the rule that you want to disable. In the Actions column, choose More > Disable.
  6. In the message that appears, click OK.