WordPress at a glance
filter is not described

screen_settings filter-hook . WP 3.0.0

Filters the screen settings text displayed in the Screen Options tab.

This filter is currently only used on the Widgets screen to enable accessibility mode.

Usage

add_filter( 'screen_settings', 'filter_function_name_3306', 10, 2 );
function filter_function_name_3306( $screen_settings, $this ){
	// filter...

	return $screen_settings;
}
$screen_settings(string)
Screen settings.
$this(WP_Screen)
WP_Screen object.

Where the hook is called

WP_Screen::show_screen_options()
wp-admin/includes/class-wp-screen.php 951
$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );

Where the hook is used (in WP core)

Does not used.