user_request_confirmed_email_to

In a Multisite environment, this will default to the email address of the network admin because, by default, single site admins do not have the capabilities required to process requests. Some networks may wish to delegate those capabilities to a single-site admin, or a dedicated person responsible for managing privacy requests.

// rejestracja funkcji zwrotnej — podaj liczbę argumentów!
add_filter( 'user_request_confirmed_email_to', 'twoja_funkcja', 10, 2 );

function twoja_funkcja($param_1, $param_2) {
	// Twój kod
}