woocommerce_coupon_options_save │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_coupon_options_save', 'wp_kama_woocommerce_coupon_options_save_action', 10, 2 );

/**
 * Function for `woocommerce_coupon_options_save` action-hook.
 * 
 * @param  $post_id 
 * @param  $coupon  
 *
 * @return void
 */
function wp_kama_woocommerce_coupon_options_save_action( $post_id, $coupon ){

	// action...
}

$post_id

-

$coupon

-

Where the hook is called

do_action( 'woocommerce_coupon_options_save', $post_id, $coupon );

Where the hook is used in WooCommerce

add_action( 'woocommerce_coupon_options_save', array( $this, 'save_coupon_brands' ) );