WCK Custom Post Types & Fields
I had the following problem.
Every time I created a new post, I wanted two extra fields available, so I could input the name of two associated PDF files.
I found the perfect solution: WCK Custom Post Types and Custom Fields Creator.
![wck-custom-post-types wck-custom-post-types](https://digitaldan.ca/wp-content/uploads/2019/02/mm-wck-custom-post-types.png)