Emailchef for WooCommerce

Yes, you can do it. You must to use the emailchef_customer_data filter hook. Below you can see a useful code snippet as example of use (you must to put
this in a custom plugin or the functions.php file of your active theme):

// $emailchef_customer_id could be 0 in case of contact creation

function emailchef_customer_data($customer, $list_id, $emailchef_customer_id = 0){ $custom_field_placeholder = 'source';
if (isset($customer[$custom_field_placeholder])){ $customer[$custom_field_placeholder] = 'newvalue'; } return $customer;
}

add_filter('emailchef_customer_data', 'emailchef_customer_data', 10, 4);

Yes, you can do it. You must to use the emailchef_abandoned_cart_image_size filter hook. Below you can see a useful code snippet as example of use (you
must to put this in a custom plugin or the functions.php file of your active theme):

// By default the size is: 'woocommerce_thumbnail'

function emailchef_abandoned_cart_image_size($size){ return 'newsize'; }

add_filter('emailchef_abandoned_cart_image_size', 'emailchef_abandoned_cart_image_size', 10, 1);