admin_print_styles-widgets.php │ action-hook │ WP 1.0

This action is documented in wp-admin/admin-header.php

Usage

add_action( 'admin_print_styles-widgets.php', 'wp_kama_admin_print_styles_widgets.php_action' );

/**
 * Function for `admin_print_styles-widgets.php` action-hook.
 * 
 * @return void
 */
function wp_kama_admin_print_styles_widgets.php_action(){

	// action...
}

Where the hook is called

do_action( 'admin_print_styles-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

Where the hook is used in WordPress