do_action( 'pre_network_site_new_created_user', string $email )

115		 * Fires immediately before a new user is created via the network site-new.php page.116		 *117		 * @since 4.5.0118		 *119		 * @param string $email Email of the non-existent user.120		 */121		do_action( 'pre_network_site_new_created_user', $email );122 123		$user_id = username_exists( $domain );124		if ( $user_id ) {125			wp_die( __( 'The domain or path entered conflicts with an existing username.' ) );126		}127		$password = wp_generate_password( 12, false );