WordPress at a glance
filter is not described

wp_die_xmlrpc_handler filter-hook . WP 3.4.0

Filters the callback for killing WordPress execution for XML-RPC requests.

Usage

add_filter( 'wp_die_xmlrpc_handler', 'filter_function_name_9712' );
function filter_function_name_9712( $function ){
	// filter...

	return $function;
}
$function(callable)
Callback function name.

Where the hook is called

wp_die()
wp_die_xmlrpc_handler
wp-includes/functions.php 2737
$function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' );

Where the hook is used (in WP core)

Does not used.