Code snippet on how to update a webhook using the MessageMedia Webhooks Node.js SDK.

update-webhook.js

function updateWebhook(){
  var webhookId = "WEBHOOK_ID";

  var body = new lib.UpdateWebhookRequest({
      "url": "https://myurl.com",
      "method": "GET",
      "encoding": "FORM_ENCODED",
      "events": [
          "RECEIVED_SMS"
      ],
      "template": "<id>$mtId</id>, <time_sent>$submittedTimestamp</time_sent>, <time_received>$receivedTimestamp</time_received>, <account_id>$accountId</account_id>, <service_type>$type</service_type>"
  });

  controller.updateWebhook(webhookId, body, function(error, response, context) {
      console.log(response);
  });
}