customize_previewable_devices filter-hook . WP 4.5.0

Filters the available devices to allow previewing in the Customizer.

Usage

add_filter( 'customize_previewable_devices', 'filter_function_name_478' );
function filter_function_name_478( $devices ){
	// filter...

	return $devices;
}

$devices(array)

List of devices with labels and default setting.

Where the hook is called

$devices = apply_filters( 'customize_previewable_devices', $devices );

Where in WP core the hook is used WordPress