{
  "description": "version with 2 inputs and 2 outputs",
  "inputs": [
    {
      "mandatory": false,
      "name": "in1",
      "type": "STRING"
    },
    {
      "mandatory": true,
      "name": "in3",
      "type": "INTEGER"
    }
  ],
  "outputs": [
    {
      "mandatory": false,
      "name": "out1",
      "type": "TIMESTAMP"
    },
    {
      "mandatory": true,
      "name": "out3",
      "type": "BOOLEAN"
    }
  ]
}