WordPress at a glance
filter is not described

wp_refresh_nonces filter-hook . WP 4.3.0

Filters the nonces to send to the New/Edit Post screen.


add_filter( 'wp_refresh_nonces', 'filter_function_name_8081', 10, 3 );
function filter_function_name_8081( $response, $data, $screen_id ){
	// filter...

	return $response;
The Heartbeat response.
The $_POST data sent.
The screen id.

Where the hook is called

wp-admin/includes/ajax-actions.php 3137
$response = apply_filters( 'wp_refresh_nonces', $response, $data, $screen_id );

Where the hook is used (in WP core)

wp-admin/includes/admin-filters.php 73
add_filter( 'wp_refresh_nonces', 'wp_refresh_post_nonces', 10, 3 );
wp-admin/includes/admin-filters.php 74
add_filter( 'wp_refresh_nonces', 'wp_refresh_heartbeat_nonces' );