{
  "Comment": "Express workflow - fast ingest and validation",
  "QueryLanguage": "JSONata",
  "StartAt": "ValidateInput",
  "States": {
    "ValidateInput": {
      "Type": "Task",
      "Resource": "arn:aws:states:::lambda:invoke",
      "Arguments": {
        "FunctionName": "arn:aws:lambda:us-east-1:123456789012:function:ValidateOrder:$LATEST",
        "Payload": "{% $states.input %}"
      },
      "Output": "{% $states.result.Payload %}",
      "Next": "EnrichData"
    },
    "EnrichData": {
      "Type": "Parallel",
      "Branches": [
        {
          "StartAt": "LookupCustomer",
          "States": {
            "LookupCustomer": {
              "Type": "Task",
              "Resource": "arn:aws:states:::dynamodb:getItem",
              "Arguments": {
                "TableName": "CustomersTable",
                "Key": {
                  "customerId": {
                    "S": "{% $states.input.customerId %}"
                  }
                }
              },
              "Output": "{% $states.result.Item %}",
              "End": true
            }
          }
        },
        {
          "StartAt": "LookupPricing",
          "States": {
            "LookupPricing": {
              "Type": "Task",
              "Resource": "arn:aws:states:::lambda:invoke",
              "Arguments": {
                "FunctionName": "arn:aws:lambda:us-east-1:123456789012:function:GetPricing:$LATEST",
                "Payload": "{% $states.input %}"
              },
              "Output": "{% $states.result.Payload %}",
              "End": true
            }
          }
        }
      ],
      "Output": {
        "order": "{% $states.input %}",
        "customer": "{% $states.result[0] %}",
        "pricing": "{% $states.result[1] %}"
      },
      "Next": "HandOffToStandard"
    },
    "HandOffToStandard": {
      "Type": "Task",
      "Resource": "arn:aws:states:::states:startExecution",
      "Arguments": {
        "StateMachineArn": "arn:aws:states:us-east-1:123456789012:stateMachine:OrderFulfillment-Standard",
        "Input": "{% $string($states.input) %}"
      },
      "Output": {
        "status": "handed_off",
        "childExecutionArn": "{% $states.result.ExecutionArn %}"
      },
      "End": true
    }
  }
}