This topic provides answers to some frequently asked questions about tags.
Which Alibaba Cloud services support cost allocation by tag?
For more information about the Alibaba Cloud services that support cost allocation by tag, see the Support for cost allocation by tag column in Alibaba Cloud services that support tags.
How do I efficiently add tags to existing resources?
For existing resources that are not added to resource groups or to which no tags are added, use one of the following methods to efficiently add tags to these resources:
How do I modify the value of a tag that is added to multiple resources? How long does it require for the modification to take effect?
Use one of the following methods to modify the value of a tag that is added to multiple resources in the same region:
For more information, see Use OOS to modify a tag value of multiple resources.
- Tag editor
For more information, see Manage tags.
- Tag API operation
For more information, see TagResources.
The modification immediately takes effect.
Why am I unable to find my newly created resources on the Cost Centers page?
You can find your newly created resources on the Cost Centers page one day later.
Do the automatic allocation rules created for cost centers take effect on existing resources?
Yes, after you create automatic allocation rules for cost centers, the system automatically allocates resources to the cost centers based on the tags added to the resources, regardless of whether the resources are newly created resources or existing resources.