按顺序获取 id_cart_rules prestashop

Question

I need to get the id of the cart_Rule in the command, until now and tried with

$this->context->cart->getCartRules();

But I don't get a result

Answer 1

I managed to do it as follows:

  $regla =  $this->context->cart->getCartRules();//returns an array
  $codigo = $regla[0]["code"];

Working with version 1.7