woocommerce_before_single_product │ action-hook │ WC 1.0

Hook: woocommerce_before_single_product.

Usage

add_action( 'woocommerce_before_single_product', 'wp_kama_woocommerce_before_single_product_action' );

/**
 * Function for `woocommerce_before_single_product` action-hook.
 * 
 * @return void
 */
function wp_kama_woocommerce_before_single_product_action(){

	// action...
}

Where the hook is called

do_action( 'woocommerce_before_single_product' );

Where the hook is used in WooCommerce

add_action( 'woocommerce_before_single_product', 'woocommerce_output_all_notices', 10 );