curl -X PUT https://api.box.com/2.0/webhooks/3321123 \
     -H 'Authorization: Bearer <ACCESS_TOKEN>'
     -H 'Content-Type: application/json" '
     -d '{
       "triggers": [
         "FILE.DOWNLOADED"
       ]
     }'

var updates = new BoxWebhookRequest()
{
    Id = "12345",
    Address = "https://example.com/webhooks/fileActions
};
BoxWebhook updatedWebhook = await client.WebhooksManager.UpdateWebhookAsync(updates);

BoxWebHook webhook = new BoxWebHook(api, id);
BoxWebHook.Info info = webhook.getInfo();
info.addPendingChange("address", url);
webhook.update(info);

update_object = {
    'triggers': ['FILE.COPIED'],
    'address': 'https://newexample.com',
}
webhook = client.webhook(webhook_id='12345').update_info(update_object)
print('Updated the webhook info for triggers: {0} and address: {1}'.format(webhook.triggers, webhook.address))

client.webhooks.update('678901', {address: "https://example.com/webhooks/fileActions"})
	.then(webhook => {
		/* webhook -> {
			id: '1234',
			type: 'webhook',
			target: { id: '22222', type: 'folder' },
			created_by: 
			{ type: 'user',
				id: '33333',
				name: 'Example User',
				login: 'user@example.com' },
			created_at: '2016-05-09T17:41:27-07:00',
			address: 'https://example.com/webhooks/fileActions',
			triggers: [ 'FILE.DOWNLOADED', 'FILE.UPLOADED' ] }
		*/
	});

client.webhooks.update(webhookId: "1234", targetType: "file", targetId: "1234", address: "www.testurl.com") { (result: Result<Webhook, BoxSDKError>) in
    guard case let .success(webhook) = result else {
        print("Error updating webhook")
        return
    }

    print("Updated webhook address to \"\(webhook.address)\"")
}