Wordpress - Password protect a custom post type programmatically

password_protect_posts.php

<?php
  //Password Protect programmatically
 function passwordProtectPosts( $post_object ) {
	
	//Checks if current post is a specific custom post type
	if ( $post_object->post_type !== 'tutorial' ) {
		return;
	}
	
	$post_object->post_password = 'your_password';
}
add_action( 'the_post', 'passwordProtectPosts' );
?>