How to scrap stock value

pagination works great and I've all data, but miss stock value (size related).
I'm a newbye and maybe it is easy to fix.
Thx for your help.

Url: https://www.bebeitalia.com/prodotto/dolce-e-gabbana-abito-gatti-love-fondo-rosso/

Sitemap:
{"_id":"bebeitalia","startUrl":["https://www.bebeitalia.com/categoria-prodotto/bambina/"],"selectors":[{"id":"pagination","type":"SelectorLink","parentSelectors":["_root","pagination"],"selector":".woocommerce-pagination a:nth-of-type(n+2)","multiple":true,"delay":0},{"id":"product","type":"SelectorLink","parentSelectors":["pagination"],"selector":".entry-title a","multiple":true,"delay":0},{"id":"SKU","type":"SelectorText","parentSelectors":["product"],"selector":".woocommerce-product-details__short-description p:nth-of-type(4)","multiple":false,"regex":"","delay":0},{"id":"CAT","type":"SelectorText","parentSelectors":["product"],"selector":"span.posted_in","multiple":false,"regex":"","delay":0},{"id":"DESC","type":"SelectorText","parentSelectors":["product"],"selector":"div.woocommerce-product-details__short-description","multiple":false,"regex":"","delay":0},{"id":"PRICE","type":"SelectorText","parentSelectors":["product"],"selector":"p del span.woocommerce-Price-amount","multiple":false,"regex":"","delay":0},{"id":"CLICK-SIZE","type":"SelectorElementClick","parentSelectors":["product"],"selector":"p.stock","multiple":true,"delay":"50","clickElementSelector":"select#taglie-anni-dg","clickType":"clickMore","discardInitialElements":"do-not-discard","clickElementUniquenessType":"uniqueText"}]}

This:

{"_id":"bebeitalia","startUrl":["https://www.bebeitalia.com/categoria-prodotto/bambina/"],"selectors":[{"id":"pagination","type":"SelectorLink","parentSelectors":["_root","pagination"],"selector":".woocommerce-pagination a:nth-of-type(n+2)","multiple":true,"delay":0},{"id":"product","type":"SelectorLink","parentSelectors":["pagination"],"selector":".entry-title a","multiple":true,"delay":0},{"id":"SKU","type":"SelectorText","parentSelectors":["CLICK-SIZE"],"selector":".woocommerce-product-details__short-description p:nth-of-type(4)","multiple":false,"regex":"","delay":0},{"id":"CAT","type":"SelectorText","parentSelectors":["CLICK-SIZE"],"selector":"span.posted_in","multiple":false,"regex":"","delay":0},{"id":"DESC","type":"SelectorText","parentSelectors":["CLICK-SIZE"],"selector":"div.woocommerce-product-details__short-description","multiple":false,"regex":"","delay":0},{"id":"PRICE","type":"SelectorText","parentSelectors":["CLICK-SIZE"],"selector":"p del span.woocommerce-Price-amount","multiple":false,"regex":"","delay":0},{"id":"CLICK-SIZE","type":"SelectorElementClick","parentSelectors":["product"],"selector":"body","multiple":true,"delay":"2000","clickElementSelector":".variations select option:not(:contains(\"Scegli un'opzione\"))","clickType":"clickOnce","discardInitialElements":"discard-when-click-element-exists","clickElementUniquenessType":"uniqueCSSSelector"},{"id":"stock-value","type":"SelectorText","parentSelectors":["CLICK-SIZE"],"selector":".stock","multiple":false,"regex":"","delay":0}]}

Thank you very mutch, It work great, but I need to collect size value too.
Size M - Stock 2
Size L - Stock 4
and so on..