<script>
function clickProduct(productObj) {
  dataLayer.push({
    'event': 'productClick',
    'ecommerce': {
      'click': {
        'actionField': {'list': 'Search Results'},      // Optional list property.
        'products': [{
          'name': productObj.name,                      // Name or ID is required.
          'id': productObj.id,
          'price': productObj.price,
          'brand': productObj.brand,
          'category': productObj.cat,
          'variant': productObj.variant,
          'position': productObj.position
         }]
       }
     }
  });
}

jQuery(document).ready(function(){
    var product1 = {
      'name': 'Producto 1',                      // Name or ID is required.
      'id': 'SKU-1',
      'price': '10.00',
      'brand': 'Ipad',
      'category': 'Tech',
      'variant': 'Gris',
      'position': '1'
    }
    $('a.product1').click(clickProduct(product1), function(){
        console.log('Listo');
    });

});
</script>