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Trigger next verification process

The Verify API starts the verification process by sending an SMS to the user. If the user does not confirm the code that they received within a certain time period, the Verify API sends a second SMS. If that does not elicit a response it attempts a Text-to-Speech (TTS) call.

You can advance to the next verification attempt programmatically by making a control request. You would normally do this if your user indicates that they prefer to verify via a phone call instead of by SMS. An alternative approach in this situation is to use an appropriate workflow for the user's preference.

Replace the following variables in the sample code with your own values:

Key Description
VONAGE_API_KEY Your Vonage API key (see it on your dashboard).
VONAGE_API_SECRET Your Vonage API secret (also available on your dashboard).
REQUEST_ID The ID of the Verify request (this is returned in the API response when you send a verification code)

Write the code

Add the following to trigger-next-verification-process.sh:

curl -X GET "https://api.nexmo.com/verify/control/json?api_key=$VONAGE_API_KEY&api_secret=$VONAGE_API_SECRET&request_id=$REQUEST_ID&cmd=trigger_next_event"

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Run your code

Save this file to your machine and run it:

sh trigger-next-verification-process.sh

Prerequisites

npm install @vonage/server-sdk

Create a file named next-event.js and add the following code:

const Vonage = require('@vonage/server-sdk');
const vonage = new Vonage({
  apiKey: VONAGE_API_KEY,
  apiSecret: VONAGE_API_SECRET
}, {
  debug: true
});

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Write the code

Add the following to next-event.js:

vonage.verify.control({
  request_id: REQUEST_ID,
  cmd: 'trigger_next_event'
}, (err, result) => {
  if (err) {
    console.error(err);
  } else {
    console.log(result);
  }
});

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Run your code

Save this file to your machine and run it:

node next-event.js

Prerequisites

Add the following to `build.gradle`:

compile 'com.vonage:client:6.2.0'

Create a class named AdvanceVerification and add the following code to the main method:

VonageClient client = VonageClient.builder().apiKey(VONAGE_API_KEY).apiSecret(VONAGE_API_SECRET).build();

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Write the code

Add the following to the main method of the AdvanceVerification class:

client.getVerifyClient().advanceVerification(REQUEST_ID);
System.out.println("Verification advanced to next stage!");

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Run your code

We can use the application plugin for Gradle to simplify the running of our application. Update your build.gradle with the following:

  apply plugin: 'application'
  mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

Run the following gradle command to execute your application, replacing com.vonage.quickstart.verify with the package containing AdvanceVerification:

gradle run -Pmain=com.vonage.quickstart.verify.AdvanceVerification

Prerequisites

Install-Package Vonage

Create a file named TriggerNextVerificationProcess.cs and add the following code:

using Vonage;
using Vonage.Request;
using Vonage.Verify;

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Add the following to TriggerNextVerificationProcess.cs:

var credentials = Credentials.FromApiKeyAndSecret(VONAGE_API_KEY, VONAGE_API_SECRET);
var client = new VonageClient(credentials);

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Write the code

Add the following to TriggerNextVerificationProcess.cs:

var request = new VerifyControlRequest() { RequestId = REQUEST_ID, Cmd = "trigger_next_event" };

var response = client.VerifyClient.VerifyControl(request);

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Prerequisites

composer require vonage/client

Create a file named trigger_next_event.php and add the following code:

$basic  = new \Vonage\Client\Credentials\Basic(VONAGE_API_KEY, VONAGE_API_SECRET);
$client = new \Vonage\Client(new \Vonage\Client\Credentials\Container($basic));

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Write the code

Add the following to trigger_next_event.php:

$result = $client->verify()->trigger(REQUEST_ID);

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Run your code

Save this file to your machine and run it:

php trigger_next_event.php

Prerequisites

pip install vonage

Create a file named trigger-next-step.py and add the following code:

client = Client(key=VONAGE_API_KEY, secret=VONAGE_API_SECRET)

verify = Verify(client)

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Write the code

Add the following to trigger-next-step.py:

response = verify.trigger_next_event(REQUEST_ID)

if response["status"] == "0":
    print("Next verification stage triggered")
else:
    print("Error: %s" % response["error_text"])

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Run your code

Save this file to your machine and run it:

python trigger-next-step.py

Prerequisites

gem install vonage

Create a file named trigger_next_event.rb and add the following code:

client = Vonage::Client.new(
  api_key: VONAGE_API_KEY,
  api_secret: VONAGE_API_SECRET
)

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Write the code

Add the following to trigger_next_event.rb:

response = client.verify.trigger_next_event(REQUEST_ID)

if response
  puts response.error_text
end

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Run your code

Save this file to your machine and run it:

ruby trigger_next_event.rb