woocommerce_update_options_payment_gateways_(gateway_id) │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_update_options_payment_gateways_(gateway_id)', 'wp_kama_woocommerce_update_options_payment_gateways_gateway_id_action' );

/**
 * Function for `woocommerce_update_options_payment_gateways_(gateway_id)` action-hook.
 * 
 * @return void
 */
function wp_kama_woocommerce_update_options_payment_gateways_gateway_id_action(){

	// action...
}

Where the hook is called

do_action( 'woocommerce_update_options_payment_gateways_' . $gateway->id );

Where the hook is used in WooCommerce