WordPress at a glance
action is not described

admin_print_footer_scripts action-hook . WP 1.0

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

Usage

add_action( 'admin_print_footer_scripts', 'action_function_name_2250' );
function action_function_name_2250(){
	// action...
}

Where the hook is called

WP_Customize_Widgets::print_footer_scripts()
admin_print_footer_scripts
iframe_footer()
admin_print_footer_scripts
wp_iframe()
admin_print_footer_scripts
wp-includes/class-wp-customize-widgets.php 864
do_action( 'admin_print_footer_scripts' );
wp-admin/admin-footer.php 95
do_action( 'admin_print_footer_scripts' );
wp-admin/includes/template.php 2106
do_action( 'admin_print_footer_scripts' );
wp-admin/includes/media.php 603
do_action( 'admin_print_footer_scripts' );

Where in WP core the hook is used WordPress

wp-includes/class-wp-customize-widgets.php 92
add_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_' . $pointer ) );
wp-includes/class-wp-customize-widgets.php 18
add_action( 'admin_print_footer_scripts', 'options_discussion_add_js' );
wp-includes/class-wp-customize-widgets.php 319
add_action( 'admin_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
wp-includes/class-wp-customize-widgets.php 320
add_action( 'admin_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
wp-includes/class-wp-customize-widgets.php 321
add_action( 'admin_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
wp-includes/class-wp-customize-widgets.php 909
add_action( 'admin_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
wp-includes/class-wp-customize-widgets.php 910
add_action( 'admin_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
wp-includes/class-wp-customize-widgets.php 349
add_action( 'admin_print_footer_scripts', '_wp_footer_scripts' );
wp-includes/class-wp-customize-widgets.php 6506
add_action( 'admin_print_footer_scripts', 'wp_auth_check_html', 5 );