WordPress at a glance
action is not described

set_current_user action-hook . WP 2.0.1

Fires after the current user is set.

Usage

add_action( 'set_current_user', 'action_function_name_8775' );
function action_function_name_8775(){
	// action...
}

Changelog

Since 2.0.1 Introduced.

Where the hook is called

wp_set_current_user()
set_current_user
wp-includes/pluggable.php 48
do_action( 'set_current_user' );

Where in WP core the hook is used WordPress

wp-includes/pluggable.php 501
add_action( 'set_current_user', 'kses_init' );