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filter is not described

woocommerce_order_note_class filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_order_note_class', 'filter_function_name_273', 10, 2 );
function filter_function_name_273( $array_filter, $note ){
	// filter...

	return $array_filter;
}
$array_filter
-
$note
-

Where the hook is called

In file: /includes/admin/meta-boxes/views/html-order-notes.php
woocommerce_order_note_class
woocommerce/includes/admin/meta-boxes/views/html-order-notes.php 18
$css_class   = apply_filters( 'woocommerce_order_note_class', array_filter( $css_class ), $note );
woocommerce/includes/class-wc-ajax.php 1522
$note_classes   = apply_filters( 'woocommerce_order_note_class', array_filter( $note_classes ), $note );

Where in WP core the hook is used WooCommerce

Usage not found.