WordPress at a glance
filter is not described

wp_dashboard_widgets filter-hook . WP 2.5.0

Filters the list of widgets to load for the admin dashboard.

Usage

add_filter( 'wp_dashboard_widgets', 'filter_function_name_8733' );
function filter_function_name_8733( $dashboard_widgets ){
	// filter...

	return $dashboard_widgets;
}
$dashboard_widgets(array)
An array of dashboard widgets.

Where the hook is called

wp_dashboard_setup()
wp-admin/includes/dashboard.php 108
$dashboard_widgets = apply_filters( 'wp_dashboard_widgets', array() );

Where the hook is used (in WP core)

Does not used.