Unassigned requests via API

Unassigned requests via API

Hello Folks , 

I would like to export the data that contains the requests with status open , assigned to a particular group , but technician unassigned. I was trying something like this   , but it is not working , please assist.  TIA

$input_data = @"
{
  "list_info": {
    "row_count": $per_page,
    "start_index": $index,
    "sort_field": "subject",
    "sort_order": "asc",
    "get_total_count": true,
    "search_criteria": [
      { "field": "status.name","condition": "is","value": "Open"},
      {"logical_operator": "AND","field": "group.name","condition": "is","value": "IT Engineering"},
      {"logical_operator": "AND","field": "technician","condition": "is","value":"null"}
                                 ]
  }
}
"@

$data = @{'input_data' = $input_data }
$response = Invoke-RestMethod -Uri $url -Method get -Body $data -Headers $headers 

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