Amazon Step Functions Describe State Machine Input Structure

{
  "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-state-machine-input-structure.json",
  "name": "DescribeStateMachineInput",
  "description": "DescribeStateMachineInput schema from Amazon Step Functions API",
  "properties": {
    "stateMachineArn": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Arn"
        },
        {
          "description": "<p>The Amazon Resource Name (ARN) of the state machine for which you want the information.</p> <p>If you specify a state machine version ARN, this API returns details about that version. The version ARN is a combination of state machine ARN and the version number separated by a colon (:). For example, <code>stateMachineARN:1</code>.</p>"
        }
      ]
    }
  },
  "required": [
    "stateMachineArn"
  ]
}