WordPress at a glance
action is not described

after_signup_form action-hook . WP 3.0.0

Fires after the sign-up forms, before wp_footer.

Usage

add_action( 'after_signup_form', 'action_function_name_1474' );
function action_function_name_1474(){
	// action...
}

Where the hook is called

In file: /wp-signup.php
after_signup_form
wp-signup.php 922
do_action( 'after_signup_form' ); ?>

Where the hook is used (in WP core)

Does not used.