state-machine.json

{
  "Comment": "A Hello World example of the Amazon States Language using Pass states",
  "StartAt": "Invoke Lambda function",
  "States": {
    "Invoke Lambda function": {
      "Type": "Task",
      "Resource": "<LAMBDA FUNCTION ARN>",
      "InputPath": "$",
      "Next": "Choice State"
    },
    "Choice State": {
      "Type": "Choice",
      "Choices": [
        {
          "Variable": "$",
          "StringMatches": "*Stephane*",
          "Next": "Is Teacher"
        }
      ],
      "Default": "Not Teacher"
    },
    "Is Teacher": {
      "Type": "Pass",
      "Result": "Woohoo!",
      "End": true
    },
    "Not Teacher": {
      "Type": "Fail",
      "Error": "ErrorCode",
      "Cause": "Stephane the teacher wasn't found in the output of the Lambda Function"
    }
  }
}