This topic describes how to create or delete a group ID in the Message Queue for MQTT console.

Background information

A group ID specifies the name of a group of nodes with identical logic and functions, representing a category of devices with the same functions. You must create a group ID in the Message Queue for MQTT console before you can use it.

Create a group ID

  1. Log on to the Message Queue for MQTT console. In the top navigation bar, select the region where the instance is located.
  2. In the left-side navigation pane, choose Groups > Create Group ID.
  3. In the Create Group ID dialog box, set Group ID and click OK.
    You can view the group ID you create in the group ID list.

More operations

  1. In the left-side navigation pane, click Groups.
  2. Find the target group ID and perform the following operations in the Actionscolumn:
    • Click Sample Code to view the Java sample code.
    • Click Connections to check the device connection. For more information, see Query by joining.
    • Click Delete. In the Tips dialog box, click OK.