<p>Updates a CloudFront function.</p> <p>You can update a function's code or the comment that describes the function. You cannot update a function's name.</p> <p>To update a function, you provide the function's name and version (<code>ETag</code> value) along with the updated function code. To get the name and version, you can use <code>ListFunctions</code> and <code>DescribeFunction</code>.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

<p>Updates a CloudFront function.</p> <p>You can update a function's code or the comment that describes the function. You cannot update a function's name.</p> <p>To update a function, you provide the function's name and version (<code>ETag</code> value) along with the updated function code. To get the name and version, you can use <code>ListFunctions</code> and <code>DescribeFunction</code>.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}