{
  "name": "io.file.exists",
  "description": "Returns true if a file exists",
  "signature": {
    "input": {
      "kind": "file-path",
      "description": "File path to test",
      "required": true,
      "mode": "ValueOrExpression"
    },
    "output": {
      "mode": "Value",
      "kind": "boolean",
      "description": "Returns true if the file exists"
    }
  }
}