WordPress at a glance
filter is not described

dashboard_glance_items filter-hook . WP 3.8.0

Filters the array of extra elements to list in the 'At a Glance' dashboard widget.

Prior to 3.8.0, the widget was named 'Right Now'. Each element is wrapped in list-item tags on output.

Usage

add_filter( 'dashboard_glance_items', 'filter_function_name_1008' );
function filter_function_name_1008( $items ){
	// filter...

	return $items;
}
$items(array)
Array of extra 'At a Glance' widget items.

Where the hook is called

wp_dashboard_right_now()
wp-admin/includes/dashboard.php 304
$elements = apply_filters( 'dashboard_glance_items', array() );

Where the hook is used (in WP core)

Does not used.