woocommerce_should_send_no_stock_notification filter-hook . WC 4.6.0

Determine if the current product should trigger a no stock notification

Usage

add_filter( 'woocommerce_should_send_no_stock_notification', 'filter_function_name_9973' );
function filter_function_name_9973( $product_id ){
	// filter...

	return $product_id;
}

$product_id

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Changelog

Where the hook is called

if ( false === apply_filters( 'woocommerce_should_send_no_stock_notification', true, $product->get_id() ) ) {

Where in WP core the hook is used WooCommerce