Tag

A map that contains tag keys and tag values to attach to an Amazon Web Services X-Ray group or sampling rule. For more information about ways to use tags, see Tagging Amazon Web Services resources in the Amazon Web Services General Reference.

The following restrictions apply to tags:

• Maximum number of user-applied tags per resource: 50

• Tag keys and values are case sensitive.

• Don't use aws: as a prefix for keys; it's reserved for Amazon Web Services use. You cannot edit or delete system tags.