Remove Array Duplicate using javascript

[Lumine_Gaming]

{
  "Name": "aaaaaaaaa",
  "CreationDate": "2023-6-6",
  "Commands": [
    {
      "Command": "csvReadArray",
      "Target": "test.csv",
      "Value": "csv",
      "Description": ""
    },
    {
      "Command": "echo",
      "Target": "duplicate: ${csv}",
      "Value": "red",
      "Description": ""
    },
    {
      "Command": "executeScript",
      "Target": "return [...new Set(${csv}.flat())]",
      "Value": "aa",
      "Description": ""
    },
    {
      "Command": "echo",
      "Target": "${aa}",
      "Value": "green",
      "Description": ""
    }
  ]
}