Help Center/ Tag Management Service/ User Guide/ Resource Tags/ Overview
Updated on 2025-11-24 GMT+08:00
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Overview

TMS allows you to customize tags to classify your resources. You can batch manage tags in a list view.

This section describes how to query resources by tag, create tag keys, and update, modify, or delete resource tags.

Constraints and Limitations

  • Up to 10 tags can be specified to query for resources at a time.
  • To search for specified tags, entering a key is mandatory but entering a value is optional.
  • Each resource supports up to 10 key-value pairs.
  • For each resource, each tag key must be unique, and each tag key can have only one tag value.
  • A tag key can contain a maximum of 36 characters, including digits, letters, underscores (_), and hyphens (-).
  • A tag value can contain a maximum of 43 characters, including digits, letters, underscores (_), periods (.), and hyphens (-).
Parent topic: Resource Tags