After you create a data synchronization task, you can use tags to manage and search for the task. This topic describes how to use tags to manage data synchronization tasks in the data transmission service.
Limitations
You can add up to four tags to a data synchronization task.
The total number of tags for all synchronization tasks cannot exceed 100.
Tag names are unique in the data transmission system.
You can view and manage only the tags created by the current account.
Go to the Manage Tags dialog box
Log on to the ApsaraDB for OceanBase console.
In the left-side navigation pane, choose Data Transmission > Data Synchronization.
Go to the Manage Tags dialog box.
You can use one of the following methods to go to the Manage Tags dialog box:
Use the Edit Tag icon next to the task name.
Find the target task on the Synchronization Tasks page.
Move the pointer over the task and click the Edit Tag icon that appears.

In the Edit Tag dialog box, click Tag Name.
In the drop-down list, select Manage Tags.

Use the Tag drop-down list on the Synchronization Tasks page.
On the Data Synchronization page, click Tag in the upper-right corner.
In the drop-down list, select Manage Tags.

Create a tag
In the Manage Tags dialog box, click Create Tag.

In the Create Tag dialog box, specify the tag name in the Tag Name field.
ImportantThe tag name must be 1 to 20 characters in length and cannot contain a space.
Click OK.
Modify a tag
In the Manage Tags dialog box, click Modify in the **Actions** column of the tag that you want to modify.

In the Edit Tag dialog box, modify the tag name.
ImportantThe tag name must be 1 to 20 characters in length and cannot contain a space.
Click OK.
If no task uses the tag, the modification immediately takes effect.
If the tag is used by one or more tasks, a dialog box automatically appears, showing the number of tasks that use the tag. After you confirm the modification, click OK.

Delete a tag
In the Manage Tags dialog box, click Delete in the Actions column of the tag that you want to delete.

Optional. If the tag is used by a task, confirm the information in the dialog box and click Delete.
NoteThis step can be ignored if no task uses the tag.
After the tag is deleted, it no longer appears in work items of the task. Proceed with caution.
Remove a tag
On the Synchronization Tasks page, find the task from which you want to remove a tag.
Move the pointer over the task and click the Edit Tag icon that appears.

In the Edit Tag dialog box, click the cross icon next to the tag that you want to remove.

Click OK.