[Plugin: TDO Mini Forms] modify /include/tdomf-form.php to create post with password from custom fie

Hello, I am trying to modify tdomf-form.php

On lines 872 you find this:

$post = array (
	   "post_content"   => "",
#	   "post_excerpt"   => "",
	   "post_title"     => $def_title,
	   "post_category"  => $post_cats,
	   "post_author"    => $user_id,
	   "post_status"    => 'draft',
#	   "post_name"      => "",
#	   "post_date"      => $post_date,
#    "post_date_gmt"  => $post_date_gmt,
#	   "comment_status" => get_option('default_comment_status'),
#	   "ping_status"    => get_option('default_ping_status').
   );

I want to add “post_password” => $password, to that array.

My question is, how do I get $password to be = to the custom field “password” that ive set thru a widget in the form??

Thanks!

https://www.ads-software.com/extend/plugins/tdo-mini-forms/