DHL-Unified - Tracking

{
  "carrier": "DHL-Unified",
  "action": "track",
  "params": {
    "key": "demo-key",
    "tracking_number": "7777777770"
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'DHL-Unified',
  'action' => 'track',
  'params' => 
  array (
    'key' => 'demo-key',
    'tracking_number' => '7777777770',
  ),
)
);

rs.request(
  {'action': 'track',
 'carrier': 'DHL-Unified',
 'params': {'key': 'demo-key', 'tracking_number': '7777777770'}}

)

rs.request(
  {"carrier"=>"DHL-Unified",
 "action"=>"track",
 "params"=>{"key"=>"demo-key", "tracking_number"=>"7777777770"}}

)

rocketshipit.request(
  {
  "carrier": "DHL-Unified",
  "action": "track",
  "params": {
    "key": "demo-key",
    "tracking_number": "7777777770"
  }
}
)