woocommerce_email_setting_columns │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_email_setting_columns', 'wp_kama_woocommerce_email_setting_columns_filter' );

/**
 * Function for `woocommerce_email_setting_columns` filter-hook.
 * 
 * @param  $array 
 *
 * @return 
 */
function wp_kama_woocommerce_email_setting_columns_filter( $array ){

	// filter...
	return $array;
}

$array

-

Where the hook is called

$columns = apply_filters(
	'woocommerce_email_setting_columns',
	array(
		'status'     => '',
		'name'       => __( 'Email', 'woocommerce' ),
		'email_type' => __( 'Content type', 'woocommerce' ),
		'recipient'  => __( 'Recipient(s)', 'woocommerce' ),
		'actions'    => '',
	)
);

Where the hook is used in WooCommerce