steps.json

{
"steps":
    [
        {            
            "executor_memory": "18G",
            "executor_cores": "4",
            "description" : "Reading from dataset data and filtering",
            "name": "step_0",
            "guiid": "0",
            "ActionOnFailure": "CANCEL_AND_WAIT",
            "script_uri":"pyspark/pyspark_preprocessing_text.py",
            "script_args":
            {             
                "auto_generate_output": "1",
                "output_uri": "None",
                "format_output": ".parquet",
                "external_input": "1",
                "input_dependency_from_output_step": "0",
                "from_step": "None",
                "input_data": "s3://amazon-reviews-pds/parquet/product_category=Books",
                "local_input": ""
            }
        },
        {            
            "executor_memory": "18G",
            "executor_cores": "4",
            "description" : "Gnerating final dataset",
            "name": "step_1",
            "guiid": "1",
            "ActionOnFailure": "CANCEL_AND_WAIT",
            "script_uri":"pyspark/pyspark_grouping_words.py",
            "script_args": 
            {             
                "auto_generate_output": "1",
                "output_uri": "None",
                "format_output": ".parquet",
                "external_input": "0",
                "input_dependency_from_output_step": "1",
                "from_step": "step_0",
                "input_data": "None",
                "local_input": ""
            }
        },
        {            
            "executor_memory": "18G",
            "executor_cores": "4",
            "description" : "generating clouds",
            "name": "step_2",
            "guiid": "2",
            "ActionOnFailure": "CANCEL_AND_WAIT",
            "script_uri":"pyspark/generate_clouds.py",
            "script_args": 
            {             
                "auto_generate_output": "1",
                "output_uri": "None",
                "format_output": ".png",
                "external_input": "0",
                "input_dependency_from_output_step": "1",
                "from_step": "step_1",
                "input_data": "None",
                "local_input": "data/usa.png"
            }
        }
    ]
}