Step Functions Tag Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "title": "Tag",
  "type": "object",
  "description": "<p>Tags are key-value pairs that can be associated with Step Functions state machines and activities.</p> <p>An array of key-value pairs. For more information, see <a href=\"https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/cost-alloc-tags.html\">Using Cost Allocation Tags</a> in the <i>Amazon Web Services Billing and Cost Management User Guide</i>, and <a href=\"https://docs.aws.amazon.com/IAM/latest/UserGuide/access_iam-tags.html\">Controlling Access Using IAM Tags</a>.</p> <p>Tags may only contain Unicode letters, digits, white space, or these symbols: <code>_ . : / = + - @</code>.</p>",
  "fields": [
    {
      "name": "key",
      "type": "string"
    },
    {
      "name": "value",
      "type": "string"
    }
  ]
}