Canada Post - Void

{
  "carrier": "canada",
  "action": "VoidShipment",
  "params": {
    "username": "YOUR_URSERNAME",
    "password": "YOUR_PASSWORD",
    "shipment_id": "GT12345678RT",
    "ship_email": "me@mycompany.com",
    "test": true
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'canada',
  'action' => 'VoidShipment',
  'params' => 
  array (
    'username' => 'YOUR_URSERNAME',
    'password' => 'YOUR_PASSWORD',
    'shipment_id' => 'GT12345678RT',
    'ship_email' => 'me@mycompany.com',
    'test' => true,
  ),
)
);

rs.request(
  {'action': 'VoidShipment',
 'carrier': 'canada',
 'params': {'password': 'YOUR_PASSWORD',
            'ship_email': 'me@mycompany.com',
            'shipment_id': 'GT12345678RT',
            'test': True,
            'username': 'YOUR_URSERNAME'}}

)

rs.request(
  {"carrier"=>"canada",
 "action"=>"VoidShipment",
 "params"=>
  {"username"=>"YOUR_URSERNAME",
   "password"=>"YOUR_PASSWORD",
   "shipment_id"=>"GT12345678RT",
   "ship_email"=>"me@mycompany.com",
   "test"=>true}}

)

rocketshipit.request(
  {
  "carrier": "canada",
  "action": "VoidShipment",
  "params": {
    "username": "YOUR_URSERNAME",
    "password": "YOUR_PASSWORD",
    "shipment_id": "GT12345678RT",
    "ship_email": "me@mycompany.com",
    "test": true
  }
}
)