Woocommerce: Add Terms and Conditions in Checkout Page

functions.php

<?php
add_action('woocommerce_after_order_notes', 'my_custom_checkout_field');
function my_custom_checkout_field( $checkout ) {
echo '
<div id="terms_conditions">
<h3>'.__('Terms and Conditions: ').'<a href="link-to-url">view here</a></h3>
'; woocommerce_form_field( 'terms_conditions', array( 'type' =>; 'checkbox', 'class' =>; 
                                               array('input-checkbox'), 'label' =>; __('I have read and agreed.'), 'required' => true, ), $checkout->;get_value( 'terms_conditions' )); echo '
 
</div>
';
}
/**
* Process the checkout
**/
add_action('woocommerce_checkout_process', 'my_custom_checkout_field_process');
function my_custom_checkout_field_process() {
global $woocommerce;
// Check if set, if its not set add an error.
if (!$_POST['terms_conditions'])
$woocommerce-&gt;add_error( __('Please agree to terms and conditions.') );
}
/**
* Update the order meta with field value
**/
add_action('woocommerce_checkout_update_order_meta', 'my_custom_checkout_field_update_order_meta');
function my_custom_checkout_field_update_order_meta( $order_id ) {
if ($_POST['terms_conditions']) update_post_meta( $order_id, 'Terms and Conditions', esc_attr($_POST['terms_conditions']));
}?>