Express Standard Handoff Asl

1{
2  "Comment": "Express workflow - fast ingest and validation",
3  "QueryLanguage": "JSONata",
4  "StartAt": "ValidateInput",
5  "States": {
6    "ValidateInput": {
7      "Type": "Task",
8      "Resource": "arn:aws:states:::lambda:invoke",
9      "Arguments": {
10        "FunctionName": "arn:aws:lambda:us-east-1:123456789012:function:ValidateOrder:$LATEST",
11        "Payload": "{% $states.input %}"
12      },
13      "Output": "{% $states.result.Payload %}",
14      "Next": "EnrichData"
15    },
16    "EnrichData": {
17      "Type": "Parallel",
18      "Branches": [
19        {
20          "StartAt": "LookupCustomer",
21          "States": {
22            "LookupCustomer": {
23              "Type": "Task",
24              "Resource": "arn:aws:states:::dynamodb:getItem",
25              "Arguments": {
26                "TableName": "CustomersTable",
27                "Key": {
28                  "customerId": {
29                    "S": "{% $states.input.customerId %}"
30                  }
31                }
32              },
33              "Output": "{% $states.result.Item %}",
34              "End": true
35            }
36          }
37        },
38        {
39          "StartAt": "LookupPricing",
40          "States": {
41            "LookupPricing": {
42              "Type": "Task",
43              "Resource": "arn:aws:states:::lambda:invoke",
44              "Arguments": {
45                "FunctionName": "arn:aws:lambda:us-east-1:123456789012:function:GetPricing:$LATEST",
46                "Payload": "{% $states.input %}"
47              },
48              "Output": "{% $states.result.Payload %}",
49              "End": true
50            }
51          }
52        }
53      ],
54      "Output": {
55        "order": "{% $states.input %}",
56        "customer": "{% $states.result[0] %}",
57        "pricing": "{% $states.result[1] %}"
58      },
59      "Next": "HandOffToStandard"
60    },
61    "HandOffToStandard": {
62      "Type": "Task",
63      "Resource": "arn:aws:states:::states:startExecution",
64      "Arguments": {
65        "StateMachineArn": "arn:aws:states:us-east-1:123456789012:stateMachine:OrderFulfillment-Standard",
66        "Input": "{% $string($states.input) %}"
67      },
68      "Output": {
69        "status": "handed_off",
70        "childExecutionArn": "{% $states.result.ExecutionArn %}"
71      },
72      "End": true
73    }
74  }
75}