You probably need one of these:

checkout_cart_product_add_after
checkout_cart_update_items_before
checkout_cart_update_items_after
checkout_cart_save_before
checkout_cart_save_after
checkout_cart_product_update_after

Have a look at this.

https://www.mageplaza.com/magento-2-module-development/magento-2-events.html and also look at this : دیجیتال مارکتینگ

You probably need one of these:

checkout_cart_product_add_after
checkout_cart_update_items_before
checkout_cart_update_items_after
checkout_cart_save_before
checkout_cart_save_after
checkout_cart_product_update_after

Have a look at this.

https://www.mageplaza.com/magento-2-module-development/magento-2-events.html

You probably need one of these:

checkout_cart_product_add_after
checkout_cart_update_items_before
checkout_cart_update_items_after
checkout_cart_save_before
checkout_cart_save_after
checkout_cart_product_update_after

Have a look at this.

https://www.mageplaza.com/magento-2-module-development/magento-2-events.html

You probably need one of these:

checkout_cart_product_add_after
checkout_cart_update_items_before
checkout_cart_update_items_after
checkout_cart_save_before
checkout_cart_save_after
checkout_cart_product_update_after

Have a look at this.

https://www.mageplaza.com/magento-2-module-development/magento-2-events.html and also look at this : دیجیتال مارکتینگ