<pre class="wp-block-code"><code></code></pre>
<script src="https://sis-t.redsys.es:25443/sis/NC/sandbox/redsysV3.js"></script>
<div id="card-form"/>

<input type="hidden" id="token" ></input>
<input type="hidden" id="errorCode" ></input>
<!-- Listener -->
<script>	
	function merchantValidationEjemplo(){
		//Insertar validaciones…
		return true;
	}			


	window.addEventListener("message", function receiveMessage(event) {
		storeIdOper(event,"token", "errorCode", merchantValidationEjemplo);
	});
</script>