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CREATE FIRST STATE MACHINE USING AMAZON STATES LANGUAGE (ASL)

1. CREATE THE STATE MACHINE (BY CONSOLE)

Go to Step Functions console
Choose Get started
Select Templates
Select Hello world template
Under Details, enter the state machine name. In this case, Helloworld
Under IAM role, select I will use an existing role
Under Existing IAM roles, select StatesExecutionRole
Under State machine definition, enter the code from Project 1
Choose Create state machine

2. TEST

(A) SETTING AND EXECUTING THE TEST

Choose Start execution

Under Enter an execution name - optional, enter a specific execution name. If not desirable, AWS will do it automatically
Under Input - opcional, you can set the input data for the state machine (JSON format)

{
  "message": "This is my first state machine"
}

Choose Start execution

(B) VISUAL WORKFLOW

In Visual workflow, you can see if the test was successful
In Code, you can see the corresponding ASL code
Under Execution event history, we can see the history of events