{
  "type": "object",
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-step-functions/refs/heads/main/json-structure/amazon-step-functions-describe-activity-input-structure.json",
  "name": "DescribeActivityInput",
  "description": "DescribeActivityInput schema from Amazon Step Functions API",
  "properties": {
    "activityArn": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Arn"
        },
        {
          "description": "The Amazon Resource Name (ARN) of the activity to describe."
        }
      ]
    }
  },
  "required": [
    "activityArn"
  ]
}