Pass configuration

Prerequisites

Make sure you complete the following steps before you proceed:

`UPDATE` vs. `PATCH` requests

The UPDATE method completely replaces a pass class or object definition. If you use this, always call the GET method first to retrieve the full class or object definition to use in the UPDATE request. Otherwise, you may erase portions of your pass class or object. Alternatively, use the PATCH method to update specific pass class or object properties.

Pass class configuration

The following properties must be set on the pass class:

enableSmartTap set to True
redemptionIssuers set to the list of Redemption Issuer(s) that will be using Smart Tap to redeem pass objects associated with this class

A class can be redeemed by various merchants (Redemption Issuers). For example, the same loyalty program, represented by a LoyaltyClass, might be redeemable at different merchants. In this case, the class must be configured to include the IDs of all Redemption Issuers that are eligible.

A pass class can be updated either in the Google Pay & Wallet Console or via the Google Wallet API. The following code sample demonstrates updating a class to enable Smart Tap and add several Redemption Issuers:

Java

/**
 * Enable Smart Tap for a pass class.
 *
 * @param issuerId The issuer ID being used for this request.
 * @param classSuffix Developer-defined unique ID for this pass class.
 * @return The pass class ID: "{issuerId}.{classSuffix}"
 * @throws IOException
 */
public String EnableSmartTap(String issuerId, String classSuffix) throws IOException {
  // Check if the class exists
  try {
    service.genericclass().get(String.format("%s.%s", issuerId, classSuffix)).execute();
  } catch (GoogleJsonResponseException ex) {
    if (ex.getStatusCode() == 404) {
      // Class does not exist
      System.out.println(String.format("Class %s.%s not found!", issuerId, classSuffix));
      return String.format("%s.%s", issuerId, classSuffix);
    } else {
      // Something else went wrong...
      ex.printStackTrace();
      return String.format("%s.%s", issuerId, classSuffix);
    }
  }

  // Patch the class by enabling Smart Tap and adding Redemption Issuers
  GenericClass patchBody =
      new GenericClass()
          .setEnableSmartTap(true)
          .setRedemptionIssuers(
              new ArrayList<Long>(
                  Arrays.asList(
                      // Add any Redemption Issuer IDs
                      1234000000087654321L, 1234000000012345678L)));

  GenericClass response =
      service
          .genericclass()
          .patch(String.format("%s.%s", issuerId, classSuffix), patchBody)
          .execute();

  System.out.println("Class patch response");
  System.out.println(response.toPrettyString());

  return response.getId();
}

PHP

/**
 * Enable Smart Tap for a pass class.
 *
 * @param string $issuerId The issuer ID being used for this request.
 * @param string $classSuffix Developer-defined unique ID for this pass class.
 *
 * @return string The pass class ID: "{$issuerId}.{$classSuffix}"
 */
public function enableSmartTap(string $issuerId, string $classSuffix)
{
  // Check if the class exists
  try {
    $this->service->genericclass->get("{$issuerId}.{$classSuffix}");
  } catch (Google\Service\Exception $ex) {
    if (!empty($ex->getErrors()) && $ex->getErrors()[0]['reason'] == 'classNotFound') {
      // Class does not exist
      print("Class {$issuerId}.{$classSuffix} not found!");
      return "{$issuerId}.{$classSuffix}";
    } else {
      // Something else went wrong...
      print_r($ex);
      return "{$issuerId}.{$classSuffix}";
    }
  }

  // Patch the class by enabling Smart Tap and adding Redemption Issuers
  $patchBody = new Google_Service_Walletobjects_GenericClass([
    'enableSmartTap' => true,
    'redemptionIssuers' => [
      // Add any Redemption Issuer IDs
      '1234000000087654321',
      '1234000000012345678'
    ]
  ]);

  $response = $this->service->genericclass->patch("{$issuerId}.{$classSuffix}", $patchBody);

  print "Class patch response\n";
  print_r($response);

  return $response->id;
}

Python

def enable_smart_tap(self, issuer_id: str, class_suffix: str) -> str:
    """Enable Smart Tap for a pass class.

    Args:
        issuer_id (str): The issuer ID being used for this request.
        class_suffix (str): Developer-defined unique ID for this pass class.

    Returns:
        The pass class ID: f"{issuer_id}.{class_suffix}"
    """

    # Check if the class exists
    response = self.http_client.get(
        url=f'{self.class_url}/{issuer_id}.{class_suffix}')

    if response.status_code == 404:
        print(f'Class {issuer_id}.{class_suffix} not found!')
        return f'{issuer_id}.{class_suffix}'
    elif response.status_code != 200:
        # Something else went wrong...
        print(response.text)
        return f'{issuer_id}.{class_suffix}'

    # Patch the class by enabling Smart Tap and adding Redemption Issuers
    patch_body = {
        'enableSmartTap':
            True,
        'redemptionIssuers': [
            # Add any Redemption Issuer IDs
            '1234000000087654321',
            '1234000000012345678'
        ]
    }

    response = self.http_client.patch(
        url=f'{self.class_url}/{issuer_id}.{class_suffix}', json=patch_body)

    print('Class patch response')
    print(response.text)

    return f'{issuer_id}.{class_suffix}'

C#

/// <summary>
/// Enable Smart Tap for a pass class.
/// </summary>
/// <param name="issuerId">The issuer ID being used for this request.</param>
/// <param name="classSuffix">Developer-defined unique ID for this pass class.</param>
/// <returns>The pass class ID: "{issuerId}.{classSuffix}"</returns>
public string EnableSmartTap(string issuerId, string classSuffix)
{
  // Check if the class exists
  Stream responseStream = service.Genericclass
      .Get($"{issuerId}.{classSuffix}")
      .ExecuteAsStream();

  StreamReader responseReader = new StreamReader(responseStream);
  JObject jsonResponse = JObject.Parse(responseReader.ReadToEnd());

  if (jsonResponse.ContainsKey("error"))
  {
    if (jsonResponse["error"].Value<int>("code") == 404)
    {
      // Class does not exist
      Console.WriteLine($"Class {issuerId}.{classSuffix} not found!");
      return $"{issuerId}.{classSuffix}";
    }
    else
    {
      // Something else went wrong...
      Console.WriteLine(jsonResponse.ToString());
      return $"{issuerId}.{classSuffix}";
    }
  }

  // Patch the class by enabling Smart Tap and adding Redemption Issuers
  GenericClass patchClass = new GenericClass
  {
    EnableSmartTap = true,
    RedemptionIssuers = new List<Int64?>
    {
      // Add any Redemption Issuer IDs
      1234000000087654321,
      1234000000012345678
    }
  };

  responseStream = service.Genericclass
      .Patch(patchClass, $"{issuerId}.{classSuffix}")
      .ExecuteAsStream();

  responseReader = new StreamReader(responseStream);
  jsonResponse = JObject.Parse(responseReader.ReadToEnd());

  Console.WriteLine("Class patch response");
  Console.WriteLine(jsonResponse.ToString());

  return $"{issuerId}.{classSuffix}";
}

Node.js

/**
 * Enable Smart Tap for a pass class.
 *
 * @param {string} issuerId The issuer ID being used for this request.
 * @param {string} classSuffix Developer-defined unique ID for this pass class.
 *
 * @returns {string} The pass class ID: `${issuerId}.${classSuffix}`
 */
async enableSmartTap(issuerId, classSuffix) {
  // Check if the class exists
  try {
    await this.httpClient.request({
      url: `${this.classUrl}/${issuerId}.${classSuffix}`,
      method: 'GET'
    });
  } catch (err) {
    if (err.response && err.response.status === 404) {
      console.log(`Class ${issuerId}.${classSuffix} not found!`);
      return `${issuerId}.${classSuffix}`;
    } else {
      // Something else went wrong...
      console.log(err);
      return `${issuerId}.${classSuffix}`;
    }
  }

  // Patch the class by enabling Smart Tap and adding Redemption Issuers
  let patchBody = {
    'enableSmartTap': true,
    'redemptionIssuers': [
      // Add any Redemption Issuer IDs
      '1234000000087654321',
      '1234000000012345678'
    ]
  };

  response = await this.httpClient.request({
    url: `${this.classUrl}/${issuerId}.${classSuffix}`,
    method: 'PATCH',
    data: patchBody
  });

  console.log('Class patch response');
  console.log(response);

  return `${issuerId}.${classSuffix}`;
}

Pass object configuration

On the pass object, the smartTapRedemptionValue must be set. The following code sample demonstrates updating a pass object to include the data that will be sent to the merchant terminal during an NFC tap:

Java

/**
 * Enable Smart Tap for a pass object.
 *
 * @param issuerId The issuer ID being used for this request.
 * @param objectSuffix Developer-defined unique ID for this pass object.
 * @return The pass object ID: "{issuerId}.{objectSuffix}"
 * @throws IOException
 */
public String EnableSmartTap(String issuerId, String objectSuffix) throws IOException {
  // Check if the object exists
  try {
    service.genericobject().get(String.format("%s.%s", issuerId, objectSuffix)).execute();
  } catch (GoogleJsonResponseException ex) {
    if (ex.getStatusCode() == 404) {
      // Object does not exist
      System.out.println(String.format("Object %s.%s not found!", issuerId, objectSuffix));
      return String.format("%s.%s", issuerId, objectSuffix);
    } else {
      // Something else went wrong...
      ex.printStackTrace();
      return String.format("%s.%s", issuerId, objectSuffix);
    }
  }

  // Patch the object by setting the Smart Tap redemption value
  GenericObject patchBody =
      new GenericObject().setSmartTapRedemptionValue("Value to be sent to merchant terminals");

  GenericObject response =
      service
          .genericobject()
          .patch(String.format("%s.%s", issuerId, objectSuffix), patchBody)
          .execute();

  System.out.println("Object patch response");
  System.out.println(response.toPrettyString());

  return String.format("%s.%s", issuerId, objectSuffix);
}

PHP

/**
 * Enable Smart Tap for a pass object.
 *
 * @param string $issuerId The issuer ID being used for this request.
 * @param string $objectSuffix Developer-defined unique ID for this pass object.
 *
 * @return string The pass object ID: "{$issuerId}.{$objectSuffix}"
 */
public function enableSmartTap(string $issuerId, string $objectSuffix)
{
  // Check if the object exists
  try {
    $this->service->genericobject->get("{$issuerId}.{$objectSuffix}");
  } catch (Google\Service\Exception $ex) {
    if (!empty($ex->getErrors()) && $ex->getErrors()[0]['reason'] == 'resourceNotFound') {
      print("Object {$issuerId}.{$objectSuffix} not found!");
      return "{$issuerId}.{$objectSuffix}";
    } else {
      // Something else went wrong...
      print_r($ex);
      return "{$issuerId}.{$objectSuffix}";
    }
  }

  // Patch the object by setting the Smart Tap redemption value
  $patchBody = new Google_Service_Walletobjects_GenericObject([
    'smartTapRedemptionValue' => 'Value to be sent to merchant terminals'
  ]);

  $response = $this->service->genericobject->patch("{$issuerId}.{$objectSuffix}", $patchBody);

  print "Object patch response\n";
  print_r($response);

  return $response->id;
}

Python

def enable_smart_tap(self, issuer_id: str, object_suffix: str) -> str:
    """Enable Smart Tap for a pass object.

    Args:
        issuer_id (str): The issuer ID being used for this request.
        object_suffix (str): Developer-defined unique ID for this pass object.

    Returns:
        The pass object ID: f"{issuer_id}.{object_suffix}"
    """

    # Check if the object exists
    response = self.http_client.get(
        url=f'{self.object_url}/{issuer_id}.{object_suffix}')

    if response.status_code == 404:
        print(f'Object {issuer_id}.{object_suffix} not found!')
        return f'{issuer_id}.{object_suffix}'
    elif response.status_code != 200:
        # Something else went wrong...
        print(response.text)
        return f'{issuer_id}.{object_suffix}'

    # Patch the object by setting the Smart Tap redemption value
    patch_body = {
        'smartTapRedemptionValue': 'Value to be sent to merchant terminals'
    }

    response = self.http_client.patch(
        url=f'{self.object_url}/{issuer_id}.{object_suffix}',
        json=patch_body)

    print('Object patch response')
    print(response.text)

    return f'{issuer_id}.{object_suffix}'

C#

/// <summary>
/// Enable Smart Tap for a pass object.
/// </summary>
/// <param name="issuerId">The issuer ID being used for this request.</param>
/// <param name="objectSuffix">Developer-defined unique ID for this pass object.</param>
/// <returns>The pass object ID: "{issuerId}.{objectSuffix}"</returns>
public string EnableSmartTap(string issuerId, string objectSuffix)
{
  // Check if the object exists
  Stream responseStream = service.Genericobject
      .Get($"{issuerId}.{objectSuffix}")
      .ExecuteAsStream();

  StreamReader responseReader = new StreamReader(responseStream);
  JObject jsonResponse = JObject.Parse(responseReader.ReadToEnd());

  if (jsonResponse.ContainsKey("error"))
  {
    if (jsonResponse["error"].Value<int>("code") == 404)
    {
      // Object does not exist
      Console.WriteLine($"Object {issuerId}.{objectSuffix} not found!");
      return $"{issuerId}.{objectSuffix}";
    }
    else
    {
      // Something else went wrong...
      Console.WriteLine(jsonResponse.ToString());
      return $"{issuerId}.{objectSuffix}";
    }
  }

  // Patch the object by setting the Smart Tap redemption value
  GenericObject patchObject = new GenericObject
  {
    SmartTapRedemptionValue = "Value to be sent to merchant terminals"
  };

  responseStream = service.Genericobject
      .Patch(patchObject, $"{issuerId}.{objectSuffix}")
      .ExecuteAsStream();

  responseReader = new StreamReader(responseStream);
  jsonResponse = JObject.Parse(responseReader.ReadToEnd());

  Console.WriteLine("Object patch response");
  Console.WriteLine(jsonResponse.ToString());

  return $"{issuerId}.{objectSuffix}";
}

Node.js

/**
 * Enable Smart Tap for a pass object.
 *
 * @param {string} issuerId The issuer ID being used for this request.
 * @param {string} objectSuffix Developer-defined unique ID for this pass object.
 *
 * @returns {string} The pass object ID: `${issuerId}.${objectSuffix}`
 */
async enableSmartTap(issuerId, objectSuffix) {
  // Check if the object exists
  try {
    await this.httpClient.request({
      url: `${this.objectUrl}/${issuerId}.${objectSuffix}`,
      method: 'GET'
    });
  } catch (err) {
    if (err.response && err.response.status === 404) {
      console.log(`Object ${issuerId}.${objectSuffix} not found!`);
      return `${issuerId}.${objectSuffix}`;
    } else {
      // Something else went wrong...
      console.log(err);
      return `${issuerId}.${objectSuffix}`;
    }
  }

  // Patch the object by setting the Smart Tap redemption value
  let patchBody = {
    'smartTapRedemptionValue': 'Value to be sent to merchant terminals'
  };

  response = await this.httpClient.request({
    url: `${this.objectUrl}/${issuerId}.${objectSuffix}`,
    method: 'PATCH',
    data: patchBody
  });

  console.log('Object patch response');
  console.log(response);

  return `${issuerId}.${objectSuffix}`;
}

Pass configuration

Prerequisites

UPDATE vs. PATCH requests

Pass class configuration

Java

PHP

Python

C#

Node.js

Pass object configuration

Java

PHP

Python

C#

Node.js

`UPDATE` vs. `PATCH` requests