● Each resource supports up to 50 tag keys.
● Each resource can be associated with one tag value of a tag key at a time.
● Each user can create up to 1,000 tag keys.
● Each tag key can have up to 1,000 tag values.
|Item||Tag Key||Tag Value|
|Naming conventions||Tag keys starting with qcs: or project: are system reserved tag keys. Do not use these prefixes when you create a tag key.||-|
|In UTF-8, a tag key must be 1 to 127 Unicode characters.||In UTF-8, a tag value must be 1 to 255 Unicode characters.|
|You can use UTF-8-encoded characters, digits, spaces, and special characters (+-=._:/@()（）【】) to name a tag key or value.|
|The names are case-sensitive.|